{"id":26877,"date":"2019-05-22T15:29:47","date_gmt":"2019-05-22T14:29:47","guid":{"rendered":"https:\/\/groupe-reussite.fr\/?page_id=26877"},"modified":"2024-02-06T16:33:51","modified_gmt":"2024-02-06T15:33:51","slug":"cours-en-ligne-conducteurs-ohmiques-maths-spe","status":"publish","type":"page","link":"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-conducteurs-ohmiques-maths-spe\/","title":{"rendered":"Conducteurs ohmiques en maths sp\u00e9"},"content":{"rendered":"<div class=\"Latex_page\">\n<section class=\"has_ae_slider elementor-element elementor-section-full_width elementor-reverse-mobile elementor-section-stretched elementor-section-height-default elementor-section-height-default ae-bg-gallery-type-default elementor-section elementor-top-section\">\n<div class=\"elementor-container elementor-column-gap-no\">\n<div class=\"elementor-row\">\n<div class=\"elementor-column-wrap elementor-element-populated colone_elementor\">\n\t\t<div data-elementor-type=\"page\" data-elementor-id=\"79938\" class=\"elementor elementor-79938\">\n\t\t\t\t\t\t<div class=\"elementor-inner\">\n\t\t\t\t<div class=\"elementor-section-wrap\">\n\t\t\t\t\t\t\t\t\t<section class=\"has_ae_slider elementor-section elementor-top-section elementor-element elementor-element-5e3444f7 elementor-section-content-bottom elementor-section-boxed elementor-section-height-default elementor-section-height-default ae-bg-gallery-type-default\" data-id=\"5e3444f7\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t\t\t<div class=\"elementor-row\">\n\t\t\t\t\t<div class=\"has_ae_slider elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-1e7ea902 sticky_badeau_colone strick_col ae-bg-gallery-type-default\" data-id=\"1e7ea902\" data-element_type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-column-wrap\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"has_ae_slider elementor-section elementor-top-section elementor-element elementor-element-29d4bc17 elementor-section-boxed elementor-section-height-default elementor-section-height-default ae-bg-gallery-type-default\" data-id=\"29d4bc17\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t\t\t<div class=\"elementor-row\">\n\t\t\t\t\t<div class=\"has_ae_slider elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-307b99cd strick_col ae-bg-gallery-type-default\" data-id=\"307b99cd\" data-element_type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4086177 elementor-widget elementor-widget-heading\" data-id=\"4086177\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<p class=\"elementor-heading-title elementor-size-default\">Cours en ligne Physique-Chimie en Maths Sp\u00e9<\/p>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7aa2a7eb elementor-widget elementor-widget-heading\" data-id=\"7aa2a7eb\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<p class=\"elementor-heading-title elementor-size-default\">Chapitres Physique-Chimie en MP, PSI, PC, MPI, TSI, PT<\/p>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-588cf1ef elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"588cf1ef\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-diffusion-thermique-maths-spe\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Diffusion thermique<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1fb0b684 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"1fb0b684\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-conducteurs-ohmiques-maths-spe\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Conducteurs ohmiques<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6c452ac1 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"6c452ac1\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-thermochimie-maths-spe\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Thermochimie<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5ccfb089 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"5ccfb089\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-referentiels-non-galileens-maths-spe\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">R\u00e9f\u00e9rentiels non galil\u00e9ens<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5acab5b3 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"5acab5b3\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-electrostatique-maths-spe\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">\u00c9lectrostatique<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-73361730 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"73361730\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-magnetostatique-induction-maths-spe\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Magn\u00e9tostatique et induction<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-34095238 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"34095238\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-ondes-electromagnetiques-vide-maths-spe\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Ondes dans le vide<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3c4a6aa8 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"3c4a6aa8\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-ondes-electromagnetiques-milieu-maths-spe\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Ondes dans les milieux<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-67b8eae5 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"67b8eae5\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-physique-quantique-maths-spe\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Physique quantique<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-35f10a63 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"35f10a63\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-optique-physique-maths-spe\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Optique physique<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2934a57e elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"2934a57e\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-physique-statistique-maths-spe\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Physique statistique<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-29809fa3 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"29809fa3\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-electronique-signal-maths-spe\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">\u00c9lectronique et signal<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-22b8c1ec elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"22b8c1ec\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-electrochimie-maths-spe\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">\u00c9lectrochimie<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-71b9149b elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"71b9149b\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/nous-contacter\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">CONTACTEZ-NOUS<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n<div class=\"elementor-column-wrap elementor-element-populated colone_latex\">\n<div class=\"style_pag\" style=\"color: #000; font-family: 'Lato', Sans-serif;\">\n<div class=\"elementor-text-editor elementor-clearfix\">\n<h1 class=\"Latex_page_title\" style=\"text-align: center;\">Cours sur les conducteurs ohmiques en maths sp\u00e9 : MP, PC, MPI, PSI, PT<\/h1>\n<\/div>\n<p class=\"colone_latex_ancres\" style=\"text-align: center;\"><a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-conducteurs-ohmiques-maths-spe\/\">R\u00e9sum\u00e9 de cours<\/a> <a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-exercices-corriges-conducteurs-ohmiques-maths-spe\/\">Exercices corrig\u00e9s<\/a><\/p>\n<p>Ce cours en ligne de physique chimie de maths vous aidera \u00e0 exceller sur le cours des conducteurs ohmiques, \u00e0 l&rsquo;aide du cours vous pouvez progresser sur les notions sur les propri\u00e9t\u00e9s des conducteurs, l&rsquo;effet Joule et l&rsquo;effet peau. Cependant il est conseill\u00e9 de suivre de <a href=\"https:\/\/groupe-reussite.fr\/cours-particuliers\/physique-chimie\/tous-niveaux\/france\/\">cours de soutien en physique chimie<\/a> pour progresser tout au long de l&rsquo;ann\u00e9e en CPGE.<\/p>\n<h2 style=\"text-align: justify;\">Propri\u00e9t\u00e9s des conducteurs ohmiques en pr\u00e9pa maths sp\u00e9<\/h2>\n<p style=\"text-align: justify;\"><strong>M\u00e9thode 1 :\u00a0donner un mod\u00e8le de la loi d&rsquo;Ohm locale.<\/strong><\/p>\n<p style=\"text-align: justify;\">Le mod\u00e8le le plus classique est le mod\u00e8le de Drude.<\/p>\n<p style=\"text-align: justify;\">En r\u00e9gime permanent, le PFD appliqu\u00e9 \u00e0 l&rsquo;\u00e9lectron donne<\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-891a9cfbb6be6c4b56dec006ca8c1fd1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#123;&#92;&#118;&#101;&#99;&#123;&#48;&#125;&#61;&#109;&#92;&#118;&#101;&#99;&#123;&#103;&#125;&#45;&#101;&#92;&#118;&#101;&#99;&#123;&#69;&#125;&#45;&#101;&#92;&#118;&#101;&#99;&#123;&#118;&#125;&#92;&#119;&#101;&#100;&#103;&#101;&#92;&#118;&#101;&#99;&#123;&#66;&#125;&#45;&#92;&#102;&#114;&#97;&#99;&#123;&#109;&#125;&#123;&#92;&#116;&#97;&#117;&#125;&#92;&#118;&#101;&#99;&#123;&#118;&#125;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"32\" width=\"227\" style=\"vertical-align: -12px;\"\/><\/p>\n<p style=\"text-align: justify;\">On en d\u00e9duit, en n\u00e9gligeant le poids et la force de Lorentz <a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-magnetostatique-induction-maths-spe\/\">magn\u00e9tique<\/a> devant la force \u00e9lectrique<\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-29ce46ca3e1be6bb4976d881938530c3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#123;&#92;&#118;&#101;&#99;&#123;&#118;&#125;&#61;&#45;&#92;&#102;&#114;&#97;&#99;&#123;&#92;&#116;&#97;&#117;&#32;&#101;&#125;&#123;&#109;&#125;&#92;&#118;&#101;&#99;&#123;&#69;&#125;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"32\" width=\"83\" style=\"vertical-align: -12px;\"\/><\/p>\n<p style=\"text-align: justify;\">En notant <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-00b2b65e321e122e8735295685f1bb7d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#110;&#95;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"11\" width=\"18\" style=\"vertical-align: -3px;\"\/> le nombre d&rsquo;\u00e9lectrons de conduction par m\u00e8tre cube<\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-0681b18cefdb583b9433dffacee08e14_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#123;&#92;&#118;&#101;&#99;&#123;&#106;&#125;&#61;&#110;&#95;&#48;&#40;&#45;&#101;&#41;&#92;&#118;&#101;&#99;&#123;&#118;&#125;&#61;&#92;&#102;&#114;&#97;&#99;&#123;&#110;&#95;&#48;&#92;&#116;&#97;&#117;&#32;&#101;&#94;&#50;&#125;&#123;&#109;&#125;&#92;&#118;&#101;&#99;&#123;&#69;&#125;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"39\" width=\"183\" style=\"vertical-align: -12px;\"\/><\/p>\n<p style=\"text-align: justify;\">qui est bien la loi d&rsquo;Ohm locale<\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-68a97f2d81411113a8bd4ecfc82f2b4f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#118;&#101;&#99;&#123;&#106;&#125;&#61;&#92;&#103;&#97;&#109;&#109;&#97;&#92;&#118;&#101;&#99;&#123;&#69;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"21\" width=\"58\" style=\"vertical-align: -4px;\"\/><\/p>\n<p style=\"text-align: justify;\">avec <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-590a4c6c89a127ea1dafa6130b062af9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#123;&#92;&#103;&#97;&#109;&#109;&#97;&#61;&#92;&#102;&#114;&#97;&#99;&#123;&#110;&#95;&#48;&#92;&#116;&#97;&#117;&#32;&#101;&#94;&#50;&#125;&#123;&#109;&#125;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"39\" width=\"81\" style=\"vertical-align: -12px;\"\/> la conductivit\u00e9 \u00e9lectrique.<\/p>\n<p style=\"text-align: justify;\"><b>Exemple.\u00a0<\/b><\/p>\n<p style=\"text-align: justify;\">On donne <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-6e150c422939d4d1caadc2c7c7b1999a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#116;&#97;&#117;&#61;&#50;&#44;&#53;&#92;&#99;&#100;&#111;&#116;&#32;&#49;&#48;&#94;&#123;&#45;&#49;&#52;&#125;&#126;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#115;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"128\" style=\"vertical-align: -4px;\"\/>,<\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-199bbc1d53535f0d6419bc6755685744_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#101;&#61;&#49;&#44;&#54;&#92;&#99;&#100;&#111;&#116;&#32;&#49;&#48;&#94;&#123;&#45;&#49;&#57;&#125;&#126;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#67;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"131\" style=\"vertical-align: -4px;\"\/><\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-9dd1f8f6b6b7f66100163ed8a260d816_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#109;&#61;&#57;&#44;&#49;&#92;&#99;&#100;&#111;&#116;&#32;&#49;&#48;&#94;&#123;&#45;&#51;&#49;&#125;&#126;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#107;&#103;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"145\" style=\"vertical-align: -4px;\"\/><\/p>\n<p style=\"text-align: justify;\">et <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-9bb9cd387e781c7731790ad41908a690_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#69;&#61;&#49;&#48;&#48;&#126;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#86;&#92;&#99;&#100;&#111;&#116;&#32;&#109;&#94;&#123;&#45;&#49;&#125;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"129\" style=\"vertical-align: -1px;\"\/><\/p>\n<p style=\"text-align: justify;\"><strong>M\u00e9thode 2 :\u00a0donner la forme des <a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-ondes-electromagnetiques-vide-maths-spe\/\">\u00e9quations de Maxwell<\/a> dans un conducteur ohmique.<\/strong><\/p>\n<p style=\"text-align: justify;\">a. Dans le cas g\u00e9n\u00e9ral, on injecte <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-68a97f2d81411113a8bd4ecfc82f2b4f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#118;&#101;&#99;&#123;&#106;&#125;&#61;&#92;&#103;&#97;&#109;&#109;&#97;&#92;&#118;&#101;&#99;&#123;&#69;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"21\" width=\"58\" style=\"vertical-align: -4px;\"\/> dans les \u00e9quations de Maxwell.<\/p>\n<p style=\"text-align: justify;\">b. Dans le cas du r\u00e9gime quasistationnaire, on peut n\u00e9gliger<\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-245a6fbb2c6b326c60cde7734797db92_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#123;&#92;&#118;&#97;&#114;&#101;&#112;&#115;&#105;&#108;&#111;&#110;&#95;&#48;&#92;&#109;&#117;&#95;&#48;&#92;&#102;&#114;&#97;&#99;&#123;&#92;&#112;&#97;&#114;&#116;&#105;&#97;&#108;&#92;&#118;&#101;&#99;&#123;&#69;&#125;&#125;&#123;&#92;&#112;&#97;&#114;&#116;&#105;&#97;&#108;&#32;&#116;&#125;&#92;&#108;&#108;&#32;&#92;&#118;&#101;&#99;&#123;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#114;&#111;&#116;&#125;&#125;&#92;&#118;&#101;&#99;&#123;&#66;&#125;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"42\" width=\"128\" style=\"vertical-align: -13px;\"\/><\/p>\n<p style=\"text-align: justify;\">c. Dans le cas d&rsquo;un bon conducteur (<img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-4de02fc502ed5dbd15f371728ea270a3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#103;&#97;&#109;&#109;&#97;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"10\" style=\"vertical-align: -4px;\"\/> au moins de l&rsquo;ordre de <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-ee049f325c8ae141d31fa8173e5ac5e8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#49;&#48;&#94;&#54;&#126;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#83;&#92;&#99;&#100;&#111;&#116;&#32;&#109;&#94;&#123;&#45;&#49;&#125;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"85\" style=\"vertical-align: -1px;\"\/>), et si on reste \u00e0 des fr\u00e9quences inf\u00e9rieures aux fr\u00e9quences de l&rsquo;<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-optique-physique-maths-spe\/\">optique<\/a> (<img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-34abe17ff9e89c10edf60b54d5443bce_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#49;&#48;&#94;&#123;&#49;&#52;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"31\" style=\"vertical-align: -1px;\"\/> Hz), alors on peut montrer que<\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-61bab6ffd2e96afcd6ea30d21693158d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#114;&#104;&#111;&#92;&#115;&#105;&#109;&#101;&#113;&#32;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"42\" style=\"vertical-align: -4px;\"\/> et<\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-c7057fe947686c6cb7da7ac4ed02c0c5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#123;&#92;&#118;&#97;&#114;&#101;&#112;&#115;&#105;&#108;&#111;&#110;&#95;&#48;&#92;&#109;&#117;&#95;&#48;&#92;&#102;&#114;&#97;&#99;&#123;&#92;&#112;&#97;&#114;&#116;&#105;&#97;&#108;&#92;&#118;&#101;&#99;&#123;&#69;&#125;&#125;&#123;&#92;&#112;&#97;&#114;&#116;&#105;&#97;&#108;&#32;&#116;&#125;&#92;&#108;&#108;&#32;&#92;&#109;&#117;&#95;&#48;&#92;&#118;&#101;&#99;&#123;&#106;&#125;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"42\" width=\"119\" style=\"vertical-align: -13px;\"\/><\/p>\n<p style=\"text-align: justify;\">Les \u00e9quations de Maxwell s&rsquo;\u00e9crivent alors<\/p>\n<p style=\"text-align: justify;\">(MG) <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-39070a549a1405a1984ad33200f82274_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#100;&#105;&#118;&#125;&#92;&#118;&#101;&#99;&#123;&#69;&#125;&#61;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"71\" style=\"vertical-align: 0px;\"\/><\/p>\n<p style=\"text-align: justify;\">(MT) <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-6d3047c0984e476a3bcf76678a6a2b5a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#100;&#105;&#118;&#125;&#92;&#118;&#101;&#99;&#123;&#66;&#125;&#61;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"71\" style=\"vertical-align: 0px;\"\/><\/p>\n<p style=\"text-align: justify;\">(MF) <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-63811a5c424b5060c4bd2671a0b201bb_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#123;&#92;&#118;&#101;&#99;&#123;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#114;&#111;&#116;&#125;&#125;&#92;&#118;&#101;&#99;&#123;&#69;&#125;&#61;&#45;&#92;&#102;&#114;&#97;&#99;&#123;&#92;&#112;&#97;&#114;&#116;&#105;&#97;&#108;&#32;&#92;&#118;&#101;&#99;&#123;&#66;&#125;&#125;&#123;&#92;&#112;&#97;&#114;&#116;&#105;&#97;&#108;&#32;&#116;&#125;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"42\" width=\"101\" style=\"vertical-align: -13px;\"\/><\/p>\n<p style=\"text-align: justify;\">(MA) <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-dc3161f68b994df0dc6133cf5123c26d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#123;&#92;&#118;&#101;&#99;&#123;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#114;&#111;&#116;&#125;&#125;&#92;&#118;&#101;&#99;&#123;&#66;&#125;&#61;&#92;&#109;&#117;&#95;&#48;&#92;&#118;&#101;&#99;&#123;&#106;&#125;&#61;&#92;&#109;&#117;&#95;&#48;&#92;&#103;&#97;&#109;&#109;&#97;&#92;&#118;&#101;&#99;&#123;&#69;&#125;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"21\" width=\"154\" style=\"vertical-align: -4px;\"\/><\/p>\n<p style=\"text-align: justify;\">Si on est en r\u00e9gime quasistationnaire, alors <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-02730325e032d25f037efec04dd903c6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#118;&#101;&#99;&#123;&#69;&#125;&#61;&#45;&#92;&#118;&#101;&#99;&#123;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#103;&#114;&#97;&#100;&#125;&#125;&#86;\" title=\"Rendered by QuickLaTeX.com\" height=\"21\" width=\"100\" style=\"vertical-align: -3px;\"\/>. On en d\u00e9duit l&rsquo;\u00e9quation de Laplace<\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-c8b44cd0e83097507f900ca021b731f5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#68;&#101;&#108;&#116;&#97;&#32;&#86;&#61;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"62\" style=\"vertical-align: 0px;\"\/><\/p>\n<p style=\"text-align: justify;\"><b>Exemple.<\/b><\/p>\n<p style=\"text-align: justify;\">\u00c9tablir l&rsquo;\u00e9quation diff\u00e9rentielle v\u00e9rifi\u00e9e par <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-da039068127cf2ec5fc05123d4d3546f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#114;&#104;&#111;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"9\" style=\"vertical-align: -4px;\"\/> pour un conducteur ohmique. En d\u00e9duire que <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-61bab6ffd2e96afcd6ea30d21693158d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#114;&#104;&#111;&#92;&#115;&#105;&#109;&#101;&#113;&#32;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"42\" style=\"vertical-align: -4px;\"\/> en prenant <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-96457d8279e278a614a846c330cb83de_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#103;&#97;&#109;&#109;&#97;&#61;&#49;&#48;&#94;&#54;&#126;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#83;&#92;&#99;&#100;&#111;&#116;&#32;&#109;&#94;&#123;&#45;&#49;&#125;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"120\" style=\"vertical-align: -4px;\"\/> et <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-40c3e4654d324dc4023bb524ecec9185_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#118;&#97;&#114;&#101;&#112;&#115;&#105;&#108;&#111;&#110;&#95;&#48;&#92;&#115;&#105;&#109;&#101;&#113;&#32;&#49;&#48;&#94;&#123;&#45;&#49;&#49;&#125;&#126;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#70;&#92;&#99;&#100;&#111;&#116;&#32;&#109;&#94;&#123;&#45;&#49;&#125;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"145\" style=\"vertical-align: -3px;\"\/>.<\/p>\n<p>&nbsp;<\/p>\n\t\t<div data-elementor-type=\"section\" data-elementor-id=\"186625\" class=\"elementor elementor-186625\">\n\t\t\t\t\t<div class=\"elementor-section-wrap\">\n\t\t\t\t\t\t\t\t<section class=\"has_ae_slider elementor-section elementor-inner-section elementor-element elementor-element-6fdc2bbf elementor-section-content-bottom full_width elementor-section-full_width elementor-section-height-min-height elementor-section-height-default ae-bg-gallery-type-default\" data-id=\"6fdc2bbf\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t\t\t<div class=\"elementor-row\">\n\t\t\t\t\t<div class=\"has_ae_slider elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-63929347 ae-bg-gallery-type-default\" data-id=\"63929347\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7b7eb697 elementor-headline--style-highlight elementor-widget elementor-widget-animated-headline\" data-id=\"7b7eb697\" data-element_type=\"widget\" data-settings=\"{&quot;highlighted_text&quot;:&quot;physique chimie ?&quot;,&quot;headline_style&quot;:&quot;highlight&quot;,&quot;marker&quot;:&quot;circle&quot;,&quot;loop&quot;:&quot;yes&quot;,&quot;highlight_animation_duration&quot;:1200,&quot;highlight_iteration_delay&quot;:8000}\" data-widget_type=\"animated-headline.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-headline\">\n\t\t\t\t\t<span class=\"elementor-headline-plain-text elementor-headline-text-wrapper\">Tu veux r\u00e9ussir en<\/span>\n\t\t\t\t<span class=\"elementor-headline-dynamic-wrapper elementor-headline-text-wrapper\">\n\t\t\t\t\t<span class=\"elementor-headline-dynamic-text elementor-headline-text-active\">physique chimie ?<\/span>\n\t\t\t\t<\/span>\n\t\t\t\t<\/h3>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-294cd54d elementor-position-left elementor-vertical-align-middle elementor-view-default elementor-mobile-position-top elementor-widget elementor-widget-icon-box\" data-id=\"294cd54d\" data-element_type=\"widget\" data-widget_type=\"icon-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-icon-box-wrapper\">\n\t\t\t\t\t\t<div class=\"elementor-icon-box-icon\">\n\t\t\t\t<span class=\"elementor-icon elementor-animation-\" >\n\t\t\t\t<i aria-hidden=\"true\" class=\"far fa-check-square\"><\/i>\t\t\t\t<\/span>\n\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"elementor-icon-box-content\">\n\t\t\t\t<h4 class=\"elementor-icon-box-title\">\n\t\t\t\t\t<span  >\n\t\t\t\t\t\tAcc\u00e8de aux meilleurs exercices et r\u00e9sum\u00e9s de cours\t\t\t\t\t<\/span>\n\t\t\t\t<\/h4>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-75a1b33e elementor-position-left elementor-vertical-align-middle elementor-view-default elementor-mobile-position-top elementor-widget elementor-widget-icon-box\" data-id=\"75a1b33e\" data-element_type=\"widget\" data-widget_type=\"icon-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-icon-box-wrapper\">\n\t\t\t\t\t\t<div class=\"elementor-icon-box-icon\">\n\t\t\t\t<span class=\"elementor-icon elementor-animation-\" >\n\t\t\t\t<i aria-hidden=\"true\" class=\"far fa-square\"><\/i>\t\t\t\t<\/span>\n\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"elementor-icon-box-content\">\n\t\t\t\t<h4 class=\"elementor-icon-box-title\">\n\t\t\t\t\t<span  >\n\t\t\t\t\t\tTravaille sur les annales en autonomie\t\t\t\t\t<\/span>\n\t\t\t\t<\/h4>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2cae82cd elementor-position-left elementor-vertical-align-middle elementor-view-default elementor-mobile-position-top elementor-widget elementor-widget-icon-box\" data-id=\"2cae82cd\" data-element_type=\"widget\" data-widget_type=\"icon-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-icon-box-wrapper\">\n\t\t\t\t\t\t<div class=\"elementor-icon-box-icon\">\n\t\t\t\t<span class=\"elementor-icon elementor-animation-\" >\n\t\t\t\t<i aria-hidden=\"true\" class=\"far fa-square\"><\/i>\t\t\t\t<\/span>\n\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"elementor-icon-box-content\">\n\t\t\t\t<h4 class=\"elementor-icon-box-title\">\n\t\t\t\t\t<span  >\n\t\t\t\t\t\tFais toi accompagner en cours \u00e0 domicile\t\t\t\t\t<\/span>\n\t\t\t\t<\/h4>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-876cb4 elementor-widget elementor-widget-text-editor\" data-id=\"876cb4\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-text-editor elementor-clearfix\">\n\t\t\t\t<p><span style=\"color: #163153;\">Les \u00e9l\u00e8ves que nous aidons en cours de physique -chimie \u00e0 domicile recommandent \u00e0 <strong>98%<\/strong> nos profs<\/span><\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"has_ae_slider elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-2127124f ae-bg-gallery-type-default\" data-id=\"2127124f\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-49a28f4e elementor-align-center elementor-widget elementor-widget-button\" data-id=\"49a28f4e\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/cours-particuliers\/physique-chimie\/tous-niveaux\/france\/\" target=\"_blank\" class=\"elementor-button-link elementor-button elementor-size-lg\" role=\"button\" id=\"CTA_PRD_CP\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Prof de physique chimie<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4af6dba elementor-widget elementor-widget-text-editor\" data-id=\"4af6dba\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-text-editor elementor-clearfix\">\n\t\t\t\t<p style=\"text-align: center;\"><b>Avis Google France <br \/><\/b><span style=\"color: #e5a430;\"><b>\u2605\u2605\u2605\u2605\u2605<\/b><\/span><b> 4,9 sur 5<\/b><\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\"><strong>M\u00e9thode 3 : d\u00e9terminer la r\u00e9sistance d&rsquo;un conducteur ohmique en r\u00e9gime quasi stationnaire.<\/strong><\/p>\n<p style=\"text-align: justify;\">Un courant d&rsquo;intensit\u00e9 <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-18b5e45cb4a1ee02e81b9a980f828db8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#73;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"9\" style=\"vertical-align: 0px;\"\/> traverse un conducteur d\u00e9limit\u00e9 par deux faces entre lesquelles on impose une tension \u00e9lectrique <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-2b60fc262803f27ba3717d8ec4eb656d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#85;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"13\" style=\"vertical-align: 0px;\"\/> \u00e9gale \u00e0 la diff\u00e9rence de potentiel entre ces deux faces<\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-d0d1be22d4865de8dbb3004e981330bf_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#85;&#61;&#86;&#40;&#65;&#41;&#45;&#86;&#40;&#66;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"141\" style=\"vertical-align: -4px;\"\/>.<\/p>\n<p style=\"text-align: justify;\">1. On r\u00e9sout <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-c8b44cd0e83097507f900ca021b731f5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#68;&#101;&#108;&#116;&#97;&#32;&#86;&#61;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"62\" style=\"vertical-align: 0px;\"\/><\/p>\n<p style=\"text-align: justify;\">2. On en d\u00e9duit <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-01799fe5e50df7c178c2f0614944fb83_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#86;&#40;&#77;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"46\" style=\"vertical-align: -4px;\"\/> en utilisant les conditions aux limites en <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-25b206f25506e6d6f46be832f7119ffa_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#65;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"13\" style=\"vertical-align: 0px;\"\/> et en <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-770fd1447ccf2fc229801b486b0d8f8a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#66;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"14\" style=\"vertical-align: 0px;\"\/><\/p>\n<p style=\"text-align: justify;\">3. On calcule <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-02730325e032d25f037efec04dd903c6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#118;&#101;&#99;&#123;&#69;&#125;&#61;&#45;&#92;&#118;&#101;&#99;&#123;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#103;&#114;&#97;&#100;&#125;&#125;&#86;\" title=\"Rendered by QuickLaTeX.com\" height=\"21\" width=\"100\" style=\"vertical-align: -3px;\"\/><\/p>\n<p style=\"text-align: justify;\">4. On en d\u00e9duit <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-68a97f2d81411113a8bd4ecfc82f2b4f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#118;&#101;&#99;&#123;&#106;&#125;&#61;&#92;&#103;&#97;&#109;&#109;&#97;&#92;&#118;&#101;&#99;&#123;&#69;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"21\" width=\"58\" style=\"vertical-align: -4px;\"\/><\/p>\n<p style=\"text-align: justify;\">5. On calcule <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-b38c2c199330248135a08dd539241f86_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#73;&#61;&#92;&#105;&#105;&#110;&#116;&#95;&#83;&#92;&#118;&#101;&#99;&#123;&#106;&#125;&#92;&#99;&#100;&#111;&#116;&#32;&#100;&#92;&#118;&#101;&#99;&#123;&#83;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"23\" width=\"107\" style=\"vertical-align: -6px;\"\/> o\u00f9 <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-520cb534cd5b6bed768a61515b57cb7e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#83;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"12\" style=\"vertical-align: 0px;\"\/> est une section du conducteur travers\u00e9e par le courant.<\/p>\n<p style=\"text-align: justify;\">6. On en d\u00e9duit <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-131a342e2253c2951590bc05a9c56a45_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#123;&#82;&#61;&#92;&#102;&#114;&#97;&#99;&#123;&#85;&#125;&#123;&#73;&#125;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"36\" width=\"54\" style=\"vertical-align: -12px;\"\/>.<\/p>\n<p style=\"text-align: justify;\">Exemple.<\/p>\n<p style=\"text-align: justify;\">Un conducteur ohmique a la forme d&rsquo;un cylindre de rayon <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-f56d50c26583f9a035ff6b4e3c0ca5c0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#98;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"8\" style=\"vertical-align: 0px;\"\/> et de longueur <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-4b9ef1bbd23fd1b198de883813285620_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#68;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"15\" style=\"vertical-align: 0px;\"\/>. Il est parcouru par un courant axial selon <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-4586e340cb83d5b642972e97a288fec2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#122;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"\/>, d&rsquo;intensit\u00e9 <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-18b5e45cb4a1ee02e81b9a980f828db8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#73;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"9\" style=\"vertical-align: 0px;\"\/> lorsqu&rsquo;on impose une tension <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-2b60fc262803f27ba3717d8ec4eb656d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#85;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"13\" style=\"vertical-align: 0px;\"\/> entre la face en <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-9e381c273c9f7ca5b93029ee2e8bab16_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#122;&#61;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"42\" style=\"vertical-align: 0px;\"\/> et la face en <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-5f8984b1092a5d42bad449658087bf79_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#122;&#61;&#68;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"48\" style=\"vertical-align: 0px;\"\/>.<\/p>\n<p style=\"text-align: justify;\">Quelle est l&rsquo;expression de <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-dae6bae3dcdac4629730754352c5e329_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#82;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"14\" style=\"vertical-align: 0px;\"\/><\/p>\n<h2 style=\"text-align: justify;\">Effet Joule en pr\u00e9pa MP, MPI, PC, PSI et PT<\/h2>\n<p style=\"text-align: justify;\"><strong>M\u00e9thode :\u00a0exprimer la puissance dissip\u00e9e par effet Joule.<\/strong><\/p>\n<p style=\"text-align: justify;\">La puissance volumique \u00e9lectrocin\u00e9tique est<\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-3b2ee5b17b82edd7614fbd2fd076fb05_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#109;&#97;&#116;&#104;&#99;&#97;&#108;&#123;&#80;&#125;&#95;&#86;&#61;&#92;&#118;&#101;&#99;&#123;&#106;&#125;&#92;&#99;&#100;&#111;&#116;&#92;&#118;&#101;&#99;&#123;&#69;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"21\" width=\"84\" style=\"vertical-align: -4px;\"\/><\/p>\n<p style=\"text-align: justify;\">On en d\u00e9duit la puissance dissip\u00e9e par effet Joule dans un conducteur ohmique<\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-42435c77da1eb170b98ea70c62f22e75_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#123;&#92;&#118;&#101;&#99;&#123;&#106;&#125;&#92;&#99;&#100;&#111;&#116;&#92;&#118;&#101;&#99;&#123;&#69;&#125;&#61;&#92;&#102;&#114;&#97;&#99;&#123;&#106;&#94;&#50;&#125;&#123;&#92;&#103;&#97;&#109;&#109;&#97;&#125;&#61;&#92;&#103;&#97;&#109;&#109;&#97;&#32;&#69;&#94;&#50;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"135\" style=\"vertical-align: -16px;\"\/><\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-55bbd4c8ea3464ee662343c56bf1ad3f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#123;&#92;&#109;&#97;&#116;&#104;&#99;&#97;&#108;&#123;&#80;&#125;&#61;&#92;&#105;&#105;&#105;&#110;&#116;&#95;&#123;&#92;&#109;&#97;&#116;&#104;&#99;&#97;&#108;&#123;&#86;&#125;&#125;&#92;&#118;&#101;&#99;&#123;&#106;&#125;&#92;&#99;&#100;&#111;&#116;&#92;&#118;&#101;&#99;&#123;&#69;&#125;&#100;&#92;&#116;&#97;&#117;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"41\" width=\"138\" style=\"vertical-align: -17px;\"\/><\/p>\n<p style=\"text-align: justify;\"><b>Exemple.<\/b><\/p>\n<p style=\"text-align: justify;\">Pour un conducteur cylindrique de longueur <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-4b9ef1bbd23fd1b198de883813285620_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#68;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"15\" style=\"vertical-align: 0px;\"\/> et de section <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-520cb534cd5b6bed768a61515b57cb7e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#83;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"12\" style=\"vertical-align: 0px;\"\/> parcouru par un courant axial uniforme<\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-9f394a03f499c9616a0541d46fdd74db_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#123;&#92;&#118;&#101;&#99;&#123;&#106;&#125;&#61;&#92;&#102;&#114;&#97;&#99;&#123;&#73;&#125;&#123;&#83;&#125;&#92;&#118;&#101;&#99;&#123;&#117;&#125;&#95;&#122;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"36\" width=\"66\" style=\"vertical-align: -12px;\"\/> et <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-e6e7521ab3a876538717dfd9b8fb2c30_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#123;&#92;&#118;&#101;&#99;&#123;&#69;&#125;&#61;&#92;&#102;&#114;&#97;&#99;&#123;&#85;&#125;&#123;&#68;&#125;&#92;&#118;&#101;&#99;&#123;&#117;&#125;&#95;&#122;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"36\" width=\"74\" style=\"vertical-align: -12px;\"\/><\/p>\n<p style=\"text-align: justify;\">Quelle est l&rsquo;expression de <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-5bed2094d6826d2cb5b8f63cef61b30e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#109;&#97;&#116;&#104;&#99;&#97;&#108;&#123;&#80;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"13\" style=\"vertical-align: -2px;\"\/> ?<\/p>\n<p>&nbsp;<\/p>\n\t\t<div data-elementor-type=\"section\" data-elementor-id=\"163687\" class=\"elementor elementor-163687\">\n\t\t\t\t\t<div class=\"elementor-section-wrap\">\n\t\t\t\t\t\t\t\t<section class=\"has_ae_slider elementor-section elementor-inner-section elementor-element elementor-element-77e012ea elementor-section-content-bottom full_width elementor-section-full_width elementor-section-height-min-height elementor-section-height-default ae-bg-gallery-type-default\" data-id=\"77e012ea\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-narrow\">\n\t\t\t\t\t\t\t<div class=\"elementor-row\">\n\t\t\t\t\t<div class=\"has_ae_slider elementor-column elementor-col-66 elementor-inner-column elementor-element elementor-element-355ab73 ae-bg-gallery-type-default\" data-id=\"355ab73\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5d4ef7c3 elementor-widget elementor-widget-heading\" data-id=\"5d4ef7c3\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">COURS PARTICULIERS DE PHYSIQUE<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-db1f79b elementor-widget elementor-widget-heading\" data-id=\"db1f79b\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Nous avons recrut\u00e9 pour vous les meilleurs profs de physique.<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4dd0b35f elementor-widget elementor-widget-heading\" data-id=\"4dd0b35f\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">POUR M'AM\u00c9LIORER EN PHYSIQUE, JE CHERCHE DES<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-167b42f7 elementor-align-left elementor-mobile-align-center elementor-widget elementor-widget-button\" data-id=\"167b42f7\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/cours-particuliers\/physique\/tous-niveaux\/france\/\" target=\"_blank\" class=\"elementor-button-link elementor-button elementor-size-md\" role=\"button\" id=\"CTA_PRD_CP\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Cours particuliers physique<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-60d6239c elementor-widget elementor-widget-text-editor\" data-id=\"60d6239c\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-text-editor elementor-clearfix\">\n\t\t\t\t<p style=\"text-align: left\"><b>Avis Google France <\/b><span style=\"color: #e5a430\"><b>\u2605\u2605\u2605\u2605\u2605<\/b><\/span><b> 4,9 sur 5<\/b><\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"has_ae_slider elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-1f06ea06 ae-bg-gallery-type-default\" data-id=\"1f06ea06\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-column-wrap\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\n<p>&nbsp;<\/p>\n<h2 style=\"text-align: justify;\">Effet de peau en pr\u00e9pa<\/h2>\n<p style=\"text-align: justify;\"><strong>M\u00e9thode 1 :\u00a0\u00e9tablir l&rsquo;\u00e9quation de diffusion v\u00e9rifi\u00e9e par <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-e45781f115011d8b80d7805915c2645d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#118;&#101;&#99;&#123;&#69;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"15\" style=\"vertical-align: 0px;\"\/>.<\/strong><\/p>\n<p style=\"text-align: justify;\">On se place en r\u00e9gime quasistationnaire (valable jusqu&rsquo;\u00e0 des fr\u00e9quences de l&rsquo;ordre des fr\u00e9quences optiques).<\/p>\n<p style=\"text-align: justify;\">On d\u00e9rive par rapport au temps l&rsquo;\u00e9quation de Maxwell-Amp\u00e8re (dans laquelle le terme de courant de d\u00e9placement est n\u00e9glig\u00e9).<\/p>\n<p style=\"text-align: justify;\">On compose l&rsquo;\u00e9quation de Maxwell-Faraday avec le rotationnel.<\/p>\n<p style=\"text-align: justify;\">On utilise le th\u00e9or\u00e8me de Schwartz pour \u00e9liminer <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-9d2220f7fa898b792daed02b2b33ecd4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#118;&#101;&#99;&#123;&#66;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"15\" style=\"vertical-align: 0px;\"\/> entre les deux \u00e9quations.<\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-685ebaf771bd499c9ca6ef5eb69487bf_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#123;&#92;&#102;&#114;&#97;&#99;&#123;&#92;&#112;&#97;&#114;&#116;&#105;&#97;&#108;&#125;&#123;&#92;&#112;&#97;&#114;&#116;&#105;&#97;&#108;&#32;&#116;&#125;&#92;&#118;&#101;&#99;&#123;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#114;&#111;&#116;&#125;&#125;&#92;&#118;&#101;&#99;&#123;&#66;&#125;&#61;&#92;&#109;&#117;&#95;&#48;&#92;&#102;&#114;&#97;&#99;&#123;&#92;&#112;&#97;&#114;&#116;&#105;&#97;&#108;&#92;&#118;&#101;&#99;&#123;&#106;&#125;&#125;&#123;&#92;&#112;&#97;&#114;&#116;&#105;&#97;&#108;&#32;&#116;&#125;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"42\" width=\"120\" style=\"vertical-align: -13px;\"\/><\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-ea9b9fde67381049b2d55dfc0836927f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#123;&#92;&#118;&#101;&#99;&#123;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#114;&#111;&#116;&#125;&#125;&#92;&#118;&#101;&#99;&#123;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#114;&#111;&#116;&#125;&#125;&#92;&#118;&#101;&#99;&#123;&#69;&#125;&#61;&#45;&#92;&#118;&#101;&#99;&#123;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#114;&#111;&#116;&#125;&#125;&#92;&#102;&#114;&#97;&#99;&#123;&#92;&#112;&#97;&#114;&#116;&#105;&#97;&#108;&#92;&#118;&#101;&#99;&#123;&#66;&#125;&#125;&#123;&#92;&#112;&#97;&#114;&#116;&#105;&#97;&#108;&#32;&#116;&#125;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"42\" width=\"147\" style=\"vertical-align: -13px;\"\/><\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-8c8099baff8f14627a5ee55a019de968_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#123;&#92;&#118;&#101;&#99;&#123;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#103;&#114;&#97;&#100;&#125;&#125;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#100;&#105;&#118;&#125;&#92;&#118;&#101;&#99;&#123;&#69;&#125;&#45;&#92;&#68;&#101;&#108;&#116;&#97;&#92;&#118;&#101;&#99;&#123;&#69;&#125;&#61;&#45;&#92;&#109;&#117;&#95;&#48;&#92;&#103;&#97;&#109;&#109;&#97;&#92;&#102;&#114;&#97;&#99;&#123;&#92;&#112;&#97;&#114;&#116;&#105;&#97;&#108;&#92;&#118;&#101;&#99;&#123;&#69;&#125;&#125;&#123;&#92;&#112;&#97;&#114;&#116;&#105;&#97;&#108;&#32;&#116;&#125;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"42\" width=\"217\" style=\"vertical-align: -13px;\"\/><\/p>\n<p style=\"text-align: justify;\">d&rsquo;o\u00f9 l&rsquo;\u00e9quation, de type <a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-diffusion-thermique-maths-spe\/\">\u00e9quation de diffusion<\/a>, v\u00e9rifi\u00e9e par <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-e45781f115011d8b80d7805915c2645d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#118;&#101;&#99;&#123;&#69;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"15\" style=\"vertical-align: 0px;\"\/> ou par <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-68a97f2d81411113a8bd4ecfc82f2b4f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#118;&#101;&#99;&#123;&#106;&#125;&#61;&#92;&#103;&#97;&#109;&#109;&#97;&#92;&#118;&#101;&#99;&#123;&#69;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"21\" width=\"58\" style=\"vertical-align: -4px;\"\/>.<\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-8b922b438168f408f8b012496de50d56_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#123;&#92;&#68;&#101;&#108;&#116;&#97;&#92;&#118;&#101;&#99;&#123;&#69;&#125;&#61;&#92;&#109;&#117;&#95;&#48;&#92;&#103;&#97;&#109;&#109;&#97;&#92;&#102;&#114;&#97;&#99;&#123;&#92;&#112;&#97;&#114;&#116;&#105;&#97;&#108;&#92;&#118;&#101;&#99;&#123;&#69;&#125;&#125;&#123;&#92;&#112;&#97;&#114;&#116;&#105;&#97;&#108;&#32;&#116;&#125;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"42\" width=\"108\" style=\"vertical-align: -13px;\"\/><\/p>\n<p style=\"text-align: justify;\"><strong>M\u00e9thode 2 :\u00a0d\u00e9crire l&rsquo;effet de peau.\u00a0<\/strong><\/p>\n<p style=\"text-align: justify;\">L&rsquo;\u00e9quation de diffusion est difficile \u00e0 r\u00e9soudre dans le cas g\u00e9n\u00e9ral.<\/p>\n<p style=\"text-align: justify;\">En se pla\u00e7ant en r\u00e9gime sinuso\u00efdal forc\u00e9 unidimensionnel, et en raisonnant en ordres de grandeur, on montre que le champ \u00e9lectrique, et donc le courant \u00e9lectrique, ne p\u00e9n\u00e8tre dans le m\u00e9tal que sur une \u00e9paisseur \u00e9gale \u00e0 l&rsquo;\u00e9paisseur de peau<\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-507f1709dd590069cdcf4a841a4210bb_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#123;&#92;&#100;&#101;&#108;&#116;&#97;&#61;&#92;&#115;&#113;&#114;&#116;&#123;&#92;&#102;&#114;&#97;&#99;&#123;&#50;&#125;&#123;&#92;&#109;&#117;&#95;&#48;&#92;&#103;&#97;&#109;&#109;&#97;&#92;&#111;&#109;&#101;&#103;&#97;&#125;&#125;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"95\" style=\"vertical-align: -16px;\"\/><\/p>\n<p style=\"text-align: justify;\">o\u00f9 <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-707fcec15e450815730425a6607a1858_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#111;&#109;&#101;&#103;&#97;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"11\" style=\"vertical-align: 0px;\"\/> est la pulsation.<\/p>\n<p style=\"text-align: justify;\">Une multitude d&rsquo;autres cours sont \u00e0 disposition des \u00e9tudiants de Maths Sp\u00e9, comme les <a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-psi-physique-chimie\/\">cours en ligne de physique-chimie en PSI<\/a>, ou bien les <a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-mp-physique-chimie\/\">cours en ligne de physique-chimie en MP<\/a> ou encore les <a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-pt-physique-chimie\/\">cours en ligne de physique-chimie en PT<\/a>. Pour les \u00e9tudiants en PT, les cours en ligne sont divis\u00e9s en 2 parties : les <a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-pc-physique\/\">cours en ligne de physique en PC<\/a> et les <a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-pc-chimie\/\">cours en ligne de chimie en PC<\/a>.<\/p>\n<p style=\"text-align: justify;\"><b>Exemple.<\/b><\/p>\n<p style=\"text-align: justify;\">En r\u00e9gime sinuso\u00efdal forc\u00e9, en supposant que le champ \u00e9lectrique ne d\u00e9pend que de <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-4586e340cb83d5b642972e97a288fec2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#122;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"\/> et de <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-b4e3cbf5d4c5c6d9b702dd139f14c147_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#116;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"6\" style=\"vertical-align: 0px;\"\/>, traduire l&rsquo;\u00e9quation en ordres de grandeur et en d\u00e9duire une estimation de <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-02c416d77f6650e9c7849397bf6e11bf_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#101;&#108;&#116;&#97;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"8\" style=\"vertical-align: 0px;\"\/>.<\/p>\n<p style=\"text-align: justify;\">Retrouvez bien plus de cours au programme de physique-chimie en maths sp\u00e9 :<\/p>\n<ul>\n<li><a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-thermochimie-maths-spe\/\">Cours sur la thermochimie en prepa MP, PSI, PT, MPI et PT<\/a><\/li>\n<li><a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-referentiels-non-galileens-maths-spe\/\">R\u00e9sum\u00e9 de cours sur les r\u00e9f\u00e9rentiels non galil\u00e9ens en pr\u00e9pa sp\u00e9<\/a><\/li>\n<li><a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-electrostatique-maths-spe\/\">Cours sur l&rsquo;\u00e9lectrostatique en pr\u00e9pa maths spe<\/a><\/li>\n<li><a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-magnetostatique-induction-maths-spe\/\">R\u00e9sum\u00e9 de cours et m\u00e9thodes magn\u00e9tostatique en pr\u00e9pa<\/a><\/li>\n<li><a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-ondes-electromagnetiques-vide-maths-spe\/\">Cours sur ondes dans le vide en pr\u00e9pa MP, PSI, PC, MPI et PT<\/a><\/li>\n<li><a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-exercices-corriges-conducteurs-ohmiques-maths-spe\/\">Exercices et corrig\u00e9s sur les conducteurs ohmiques en pr\u00e9pa<\/a><\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Cours sur les conducteurs ohmiques en maths sp\u00e9 : MP, PC, MPI, PSI, PT R\u00e9sum\u00e9 de cours Exercices corrig\u00e9s Ce cours en ligne de physique chimie de maths vous aidera \u00e0 exceller sur le cours des conducteurs ohmiques, \u00e0 l&rsquo;aide du cours vous pouvez progresser sur les notions sur les propri\u00e9t\u00e9s des conducteurs, l&rsquo;effet Joule [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.2.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Cours sur les conducteurs ohmiques MP, PC, PSI, PT gratuit<\/title>\n<meta name=\"description\" content=\"Cours sur les conducteurs ohmiques en maths sp\u00e9. 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