{"id":214331,"date":"2022-12-23T20:34:59","date_gmt":"2022-12-23T19:34:59","guid":{"rendered":"https:\/\/educelec.com\/?page_id=214331"},"modified":"2026-01-01T14:18:52","modified_gmt":"2026-01-01T13:18:52","slug":"ohm-puiss","status":"publish","type":"page","link":"https:\/\/educelec.com\/en\/ohm-puiss\/","title":{"rendered":"CC Ohm Puissance"},"content":{"rendered":"<p>[et_pb_section fb_built=\u00a0\u00bb1&Prime; admin_label=\u00a0\u00bbsection\u00a0\u00bb _builder_version=\u00a0\u00bb4.16&Prime; locked=\u00a0\u00bboff\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_row _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb custom_margin=\u00a0\u00bb-50px||||false|false\u00a0\u00bb locked=\u00a0\u00bboff\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime; _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb custom_margin=\u00a0\u00bb|||-30px|false|false\u00a0\u00bb hover_enabled=\u00a0\u00bb0&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb sticky_enabled=\u00a0\u00bb0&Prime;]<\/p>\n<p><a href=\"https:\/\/educelec.com\/en\/\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-216559\" src=\"https:\/\/educelec.com\/wp-content\/uploads\/2025\/12\/chap-300x209.png\" alt=\"\" width=\"17\" height=\"12\" \/><\/a><a href=\"https:\/\/educelec.com\/en\/\">Acceuil<\/a><a href=\"https:\/\/educelec.com\/en\/\"> &gt;<\/a> <a href=\"https:\/\/educelec.com\/en\/electricite\/\">Electricit\u00e9 &gt;<\/a> <strong>Ohm &amp; puissance<\/strong><\/p>\n<p>[\/et_pb_text][et_pb_text _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb text_font=\u00a0\u00bbAcme|700|||||||\u00a0\u00bb background_color=\u00a0\u00bb#88C4DD\u00a0\u00bb text_text_shadow_style=\u00a0\u00bbpreset1&Prime; text_text_shadow_blur_strength=\u00a0\u00bb2em\u00a0\u00bb text_text_shadow_color=\u00a0\u00bb#0047E0&Prime; locked=\u00a0\u00bboff\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb text_font_size__hover_enabled=\u00a0\u00bbon|desktop\u00a0\u00bb]<\/p>\n<blockquote>\n<h1 style=\"text-align: center;\"><strong>Exercices corrig\u00e9s<\/strong><\/h1>\n<h3 style=\"text-align: center;\"><strong>Lois d&rsquo;Ohm et calcul de la puissance<\/strong><\/h3>\n<\/blockquote>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime; _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<ul>\n<li>\n<h2><span style=\"color: #ff0000;\"><strong>Rappel cours.<\/strong><\/span><\/h2>\n<\/li>\n<\/ul>\n<hr \/>\n<h4>Avant de commencer les trois exercices, profitez d\u2019un petit rappel des points cl\u00e9s pour mieux r\u00e9ussir.<\/h4>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime; _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<h3><span style=\"color: #3366ff;\"><strong>Loi d&rsquo;Ohm<\/strong><\/span><\/h3>\n<h4>Si on adopte la convention r\u00e9cepteur, la loi d\u2019Ohm s\u2019\u00e9crit :<\/h4>\n<h2 style=\"text-align: center;\"><span style=\"color: #993366;\"><strong>U=R.I<\/strong><\/span><\/h2>\n<h4>avec : U en V ;\u00a0\u00a0 I en A ;\u00a0\u00a0 R\u00a0 en\u00a0 \u03a9\u00a0(ohms)<\/h4>\n<h3><span style=\"color: #3366ff;\"><strong>Calcul de puissance<\/strong><\/span><\/h3>\n<h4>L&rsquo;expression de calcul de la puissance s&rsquo;ecrit :<\/h4>\n<h2 style=\"text-align: center;\"><span style=\"color: #993366;\"><strong>P=U.I<\/strong><\/span><\/h2>\n<h4>avec : U en V ;\u00a0\u00a0 I en A ;\u00a0 \u00a0P\u00a0 en\u00a0 W (Watt)<\/h4>\n<hr \/>\n<h4><br data-start=\"734\" data-end=\"737\" \/>Envie d\u2019aller plus loin ? D\u00e9couvrez le cours complet en cliquant<a href=\"https:\/\/educelec.com\/en\/lois-dohm-et-calcul-de-puissance-en-regime-continu\/\">\u00a0ici.<\/a><a href=\"https:\/\/educelec.com\/en\/lois-dohm-et-calcul-de-puissance-en-regime-continu\/\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-215990\" src=\"https:\/\/educelec.com\/wp-content\/uploads\/2025\/09\/click-150x150.png\" alt=\"\" width=\"26\" height=\"26\" srcset=\"https:\/\/educelec.com\/wp-content\/uploads\/2025\/09\/click-150x150.png 150w, https:\/\/educelec.com\/wp-content\/uploads\/2025\/09\/click-300x300.png 300w, https:\/\/educelec.com\/wp-content\/uploads\/2025\/09\/click.png 348w\" sizes=\"auto, (max-width: 26px) 100vw, 26px\" \/><\/a><\/h4>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=\u00a0\u00bb1&Prime; admin_label=\u00a0\u00bbsection\u00a0\u00bb _builder_version=\u00a0\u00bb4.19.1&Prime; custom_margin=\u00a0\u00bb-300px||||false|false\u00a0\u00bb locked=\u00a0\u00bboff\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_row _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime; _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb custom_margin=\u00a0\u00bb21px||||false|false\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li>\n<h2><span style=\"color: #ff0000;\"><strong>Exercices corrig\u00e9s.<\/strong><\/span><\/h2>\n<\/li>\n<\/ul>\n<h4>Vous trouverez par la suite 3 exercices corrig\u00e9s sur la loi d\u2019Ohm et le calcul de la puissance \u00e9lectrique pour am\u00e9liorer votre niveau\u00a0en\u00a0\u00e9lectricit\u00e9.<\/h4>\n<hr \/>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb custom_margin=\u00a0\u00bb-50px||||false|false\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime; _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb background_color=\u00a0\u00bb#69D0FC\u00a0\u00bb min_height=\u00a0\u00bb40px\u00a0\u00bb height=\u00a0\u00bb40px\u00a0\u00bb custom_padding=\u00a0\u00bb7px||0px|18px|false|false\u00a0\u00bb border_radii=\u00a0\u00bbon|15px|15px|15px|15px\u00a0\u00bb border_width_all=\u00a0\u00bb2px\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<ul>\n<li>\n<h3><strong>Exercice N\u00b0 1 (Simple)<\/strong><\/h3>\n<\/li>\n<\/ul>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime; _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb custom_padding=\u00a0\u00bb||0px|||\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<h4>Deux Resistance R1 et R2 sont branch\u00e9 en s\u00e9rie.<\/h4>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-214343\" src=\"https:\/\/educelec.com\/wp-content\/uploads\/2022\/12\/exo1-1.png\" alt=\"\" width=\"465\" height=\"100\" \/><\/p>\n<h4>1. Quel est la valeur de la tension au bornes de R1.<\/h4>\n<h4>2. Calculer la valeur du courant I1.<\/h4>\n<h4>3. Quel est la valeur de la tension au bornes de R2.<\/h4>\n<h4>4. Calculer la valeur du courant I2.<\/h4>\n<h4>5. Calculer la valeur de l\u2019intensit\u00e9 I.<\/h4>\n<h4>6. Calculer Req en utilisant la loi d\u2019Ohm<\/h4>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row module_class=\u00a0\u00bbrv_button1 closed\u00a0\u00bb _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb custom_margin=\u00a0\u00bb-50px||||false|false\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime; _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb background_enable_color=\u00a0\u00bboff\u00a0\u00bb min_height=\u00a0\u00bb40px\u00a0\u00bb height=\u00a0\u00bb40px\u00a0\u00bb custom_padding=\u00a0\u00bb7px|||18px|false|false\u00a0\u00bb border_radii=\u00a0\u00bbon|15px|15px|15px|15px\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<ul>\n<li>\n<h3><strong><span style=\"color: #3366ff;\">Solutions Exercice N\u00b0 1<\/span> <img loading=\"lazy\" decoding=\"async\" class=\"wp-image-215990 alignnone\" src=\"https:\/\/educelec.com\/wp-content\/uploads\/2025\/09\/click-150x150.png\" alt=\"\" width=\"25\" height=\"25\" srcset=\"https:\/\/educelec.com\/wp-content\/uploads\/2025\/09\/click-150x150.png 150w, https:\/\/educelec.com\/wp-content\/uploads\/2025\/09\/click-300x300.png 300w, https:\/\/educelec.com\/wp-content\/uploads\/2025\/09\/click.png 348w\" sizes=\"auto, (max-width: 25px) 100vw, 25px\" \/><\/strong><\/h3>\n<\/li>\n<\/ul>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row module_id=\u00a0\u00bbreveal1&Prime; _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime; _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-214356 alignnone size-full\" src=\"https:\/\/educelec.com\/wp-content\/uploads\/2022\/12\/S-exo-1-2.png\" alt=\"\" width=\"841\" height=\"455\" srcset=\"https:\/\/educelec.com\/wp-content\/uploads\/2022\/12\/S-exo-1-2.png 841w, https:\/\/educelec.com\/wp-content\/uploads\/2022\/12\/S-exo-1-2-480x260.png 480w\" sizes=\"auto, (min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 841px, 100vw\" \/><\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=\u00a0\u00bb1&Prime; admin_label=\u00a0\u00bbsection\u00a0\u00bb _builder_version=\u00a0\u00bb4.19.1&Prime; custom_margin=\u00a0\u00bb-50px||||false|false\u00a0\u00bb locked=\u00a0\u00bboff\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_row _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb custom_margin=\u00a0\u00bb-50px||||false|false\u00a0\u00bb locked=\u00a0\u00bboff\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime; _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb background_color=\u00a0\u00bb#69D0FC\u00a0\u00bb min_height=\u00a0\u00bb40px\u00a0\u00bb height=\u00a0\u00bb40px\u00a0\u00bb custom_padding=\u00a0\u00bb7px||0px|18px|false|false\u00a0\u00bb border_radii=\u00a0\u00bbon|15px|15px|15px|15px\u00a0\u00bb border_width_all=\u00a0\u00bb2px\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<ul>\n<li>\n<h3><strong>Exercice N\u00b0 2 (Moyenne)<\/strong><\/h3>\n<\/li>\n<\/ul>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb locked=\u00a0\u00bboff\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime; _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<h4>Deux Resistance R1 et R2 sont branch\u00e9 en s\u00e9rie.<\/h4>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-214344 aligncenter\" src=\"https:\/\/educelec.com\/wp-content\/uploads\/2022\/12\/exo2.png\" alt=\"\" width=\"513\" height=\"200\" srcset=\"https:\/\/educelec.com\/wp-content\/uploads\/2022\/12\/exo2.png 513w, https:\/\/educelec.com\/wp-content\/uploads\/2022\/12\/exo2-480x187.png 480w\" sizes=\"auto, (min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 513px, 100vw\" \/><\/p>\n<h4>1. Calculer la valeur de la tension U1.<\/h4>\n<h4>2. Calculer la valeur de la tension U2.<\/h4>\n<h4>3. Calculer la valeur de la tension U.<\/h4>\n<h4>4. Calculer Req en utilisant la loi d&rsquo;Ohm.<\/h4>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row module_class=\u00a0\u00bbrv_button2 closed\u00a0\u00bb _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb custom_margin=\u00a0\u00bb-49px||||false|false\u00a0\u00bb locked=\u00a0\u00bboff\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime; _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb background_enable_color=\u00a0\u00bboff\u00a0\u00bb min_height=\u00a0\u00bb40px\u00a0\u00bb height=\u00a0\u00bb40px\u00a0\u00bb custom_padding=\u00a0\u00bb7px|||18px|false|false\u00a0\u00bb border_radii=\u00a0\u00bbon|15px|15px|15px|15px\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<ul>\n<li>\n<h3><span style=\"color: #3366ff;\"><strong>Solutions Exercice N\u00b0 2\u00a0 <img loading=\"lazy\" decoding=\"async\" class=\"wp-image-215990 alignnone\" src=\"https:\/\/educelec.com\/wp-content\/uploads\/2025\/09\/click-150x150.png\" alt=\"\" width=\"26\" height=\"26\" srcset=\"https:\/\/educelec.com\/wp-content\/uploads\/2025\/09\/click-150x150.png 150w, https:\/\/educelec.com\/wp-content\/uploads\/2025\/09\/click-300x300.png 300w, https:\/\/educelec.com\/wp-content\/uploads\/2025\/09\/click.png 348w\" sizes=\"auto, (max-width: 26px) 100vw, 26px\" \/><\/strong><\/span><\/h3>\n<\/li>\n<\/ul>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row module_id=\u00a0\u00bbreveal2&Prime; _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb locked=\u00a0\u00bboff\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime; _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-214358 alignnone size-full\" src=\"https:\/\/educelec.com\/wp-content\/uploads\/2022\/12\/S-exo-2-1.png\" alt=\"\" width=\"817\" height=\"476\" srcset=\"https:\/\/educelec.com\/wp-content\/uploads\/2022\/12\/S-exo-2-1.png 817w, https:\/\/educelec.com\/wp-content\/uploads\/2022\/12\/S-exo-2-1-480x280.png 480w\" sizes=\"auto, (min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 817px, 100vw\" \/><\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=\u00a0\u00bb1&Prime; admin_label=\u00a0\u00bbsection\u00a0\u00bb _builder_version=\u00a0\u00bb4.19.1&Prime; custom_margin=\u00a0\u00bb-50px||||false|false\u00a0\u00bb locked=\u00a0\u00bboff\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_row _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb custom_margin=\u00a0\u00bb-50px||||false|false\u00a0\u00bb locked=\u00a0\u00bboff\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime; _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb background_color=\u00a0\u00bb#69D0FC\u00a0\u00bb min_height=\u00a0\u00bb40px\u00a0\u00bb height=\u00a0\u00bb40px\u00a0\u00bb custom_padding=\u00a0\u00bb7px||0px|18px|false|false\u00a0\u00bb border_radii=\u00a0\u00bbon|15px|15px|15px|15px\u00a0\u00bb border_width_all=\u00a0\u00bb2px\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<ul>\n<li>\n<h3><strong>Exercice N\u00b0 3 (moyenne +)<\/strong><\/h3>\n<\/li>\n<\/ul>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb locked=\u00a0\u00bboff\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime; _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<h4><span class=\"fontstyle0\">Soit le circuit suivant:<\/span><\/h4>\n<h4><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-215267\" src=\"https:\/\/educelec.com\/wp-content\/uploads\/2023\/11\/exo-5-ohm-1024x475.png\" alt=\"\" width=\"539\" height=\"250\" \/><\/h4>\n<h4>On donne R1=15 \u03a9, R2=30\u03a9, R3=40\u03a9, R4=20\u03a9, R5=35\u03a9 et U=100V<\/h4>\n<h4>1. En d\u00e9duire la r\u00e9sistance \u00e9quivalente Req .<\/h4>\n<h4>2. Calculer les intensit\u00e9s I, I1, I2, I3 et I4.<\/h4>\n<h4>3. Calculer la puissance de chaque r\u00e9sistance et la puissance totale du circuit .<\/h4>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row module_class=\u00a0\u00bbrv_button closed\u00a0\u00bb _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb locked=\u00a0\u00bboff\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime; _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb background_enable_color=\u00a0\u00bboff\u00a0\u00bb min_height=\u00a0\u00bb40px\u00a0\u00bb height=\u00a0\u00bb40px\u00a0\u00bb custom_margin=\u00a0\u00bb-50px||||false|false\u00a0\u00bb custom_padding=\u00a0\u00bb7px|||18px|false|false\u00a0\u00bb border_radii=\u00a0\u00bbon|15px|15px|15px|15px\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<ul>\n<li>\n<h3><strong><span style=\"color: #3366ff;\">Solutions Exercice N\u00b0 3<\/span> <img loading=\"lazy\" decoding=\"async\" class=\"wp-image-215990 alignnone\" src=\"https:\/\/educelec.com\/wp-content\/uploads\/2025\/09\/click-150x150.png\" alt=\"\" width=\"28\" height=\"28\" srcset=\"https:\/\/educelec.com\/wp-content\/uploads\/2025\/09\/click-150x150.png 150w, https:\/\/educelec.com\/wp-content\/uploads\/2025\/09\/click-300x300.png 300w, https:\/\/educelec.com\/wp-content\/uploads\/2025\/09\/click.png 348w\" sizes=\"auto, (max-width: 28px) 100vw, 28px\" \/><\/strong><\/h3>\n<\/li>\n<\/ul>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row module_id=\u00a0\u00bbreveal\u00a0\u00bb _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb locked=\u00a0\u00bboff\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime; _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-214543 alignnone size-full\" src=\"https:\/\/educelec.com\/wp-content\/uploads\/2023\/01\/S-exo-3.png\" alt=\"\" width=\"849\" height=\"470\" srcset=\"https:\/\/educelec.com\/wp-content\/uploads\/2023\/01\/S-exo-3.png 849w, https:\/\/educelec.com\/wp-content\/uploads\/2023\/01\/S-exo-3-480x266.png 480w\" sizes=\"auto, (min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 849px, 100vw\" \/><\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime; _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<hr \/>\n<h4>Pour aller plus loin dans votre apprentissage, t\u00e9l\u00e9chargez la s\u00e9rie d\u2019exercices au format PDF <a href=\"https:\/\/educelec.com\/wp-content\/uploads\/2025\/12\/exercices-ohm-puiss.pdf\">clic ici <img loading=\"lazy\" decoding=\"async\" class=\"wp-image-215990 alignnone\" src=\"https:\/\/educelec.com\/wp-content\/uploads\/2025\/09\/click-150x150.png\" alt=\"\" width=\"26\" height=\"26\" srcset=\"https:\/\/educelec.com\/wp-content\/uploads\/2025\/09\/click-150x150.png 150w, https:\/\/educelec.com\/wp-content\/uploads\/2025\/09\/click-300x300.png 300w, https:\/\/educelec.com\/wp-content\/uploads\/2025\/09\/click.png 348w\" sizes=\"auto, (max-width: 26px) 100vw, 26px\" \/><\/a>.<\/h4>\n<p>[\/et_pb_text][et_pb_text _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb locked=\u00a0\u00bboff\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<hr \/>\n<h4>Vous pouvez \u00e9galement tester vos connaissances avec notre QCM sur la loi d\u2019Ohm et le calcul de la puissance \u00e9lectrique pour \u00e9valuer votre niveau. <a href=\"https:\/\/educelec.com\/en\/qcm-ace2\/\">Clic ici <img loading=\"lazy\" decoding=\"async\" class=\"wp-image-215990 alignnone\" src=\"https:\/\/educelec.com\/wp-content\/uploads\/2025\/09\/click-150x150.png\" alt=\"\" width=\"26\" height=\"26\" srcset=\"https:\/\/educelec.com\/wp-content\/uploads\/2025\/09\/click-150x150.png 150w, https:\/\/educelec.com\/wp-content\/uploads\/2025\/09\/click-300x300.png 300w, https:\/\/educelec.com\/wp-content\/uploads\/2025\/09\/click.png 348w\" sizes=\"auto, (max-width: 26px) 100vw, 26px\" \/>.<\/a><\/h4>\n<hr \/>\n<p>&nbsp;<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=\u00a0\u00bb1&Prime; specialty=\u00a0\u00bbon\u00a0\u00bb _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb custom_margin=\u00a0\u00bb-90px||||false|false\u00a0\u00bb locked=\u00a0\u00bboff\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb1_4&Prime; _builder_version=\u00a0\u00bb4.16&Prime; custom_padding=\u00a0\u00bb|||\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb custom_padding__hover=\u00a0\u00bb|||\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb custom_margin=\u00a0\u00bb-50px||||false|false\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<h3><strong><span style=\"color: #3366ff;\">Vous pouvez consulter aussi d&rsquo;autres pages :<\/span><\/strong><\/h3>\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column type=\u00a0\u00bb3_4&Prime; specialty_columns=\u00a0\u00bb3&Prime; _builder_version=\u00a0\u00bb4.16&Prime; custom_padding=\u00a0\u00bb|||\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb custom_padding__hover=\u00a0\u00bb|||\u00a0\u00bb][et_pb_row_inner _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb custom_margin=\u00a0\u00bb-50px||||false|false\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column_inner saved_specialty_column_type=\u00a0\u00bb3_4&Prime; _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.19.1&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<h5><span style=\"color: #3366ff;\">@<a style=\"color: #3366ff;\" href=\"https:\/\/educelec.com\/en\/div-cour-tens\/\">Diviseur de courant et de tension<\/a>; @<a href=\"https:\/\/educelec.com\/en\/loi-kirch\/\">lois de Kirchoff;<\/a> @<a href=\"https:\/\/educelec.com\/en\/theo-thev-nort\/\">TheoremeThevenin et Norton;<\/a> @<a href=\"https:\/\/educelec.com\/en\/res-eq\/\">Resistances \u00e9quivalentes.<\/a><\/span><\/h5>\n<p>[\/et_pb_text][\/et_pb_column_inner][\/et_pb_row_inner][\/et_pb_column][\/et_pb_section]<\/p>","protected":false},"excerpt":{"rendered":"<p>Acceuil &gt; Electricit\u00e9 &gt; Ohm &amp; puissanceExercices corrig\u00e9s Lois d&rsquo;Ohm et calcul de la puissance Rappel cours. Avant de commencer les trois exercices, profitez d\u2019un petit rappel des points cl\u00e9s pour mieux r\u00e9ussir.Loi d&rsquo;Ohm Si on adopte la convention r\u00e9cepteur, la loi d\u2019Ohm s\u2019\u00e9crit : U=R.I avec : U en V ;\u00a0\u00a0 I en A [&hellip;]<\/p>","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","om_disable_all_campaigns":false,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"class_list":["post-214331","page","type-page","status-publish","hentry"],"aioseo_notices":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>CC Ohm Puissance - Exercices et Solutions en Electricit\u00e9, Electronique, Electrotechnique et Automatisme industrielle<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/educelec.com\/en\/ohm-puiss\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"CC Ohm Puissance - Exercices et Solutions en Electricit\u00e9, Electronique, Electrotechnique et Automatisme industrielle\" \/>\n<meta property=\"og:description\" content=\"Acceuil &gt; Electricit\u00e9 &gt; Ohm &amp; puissanceExercices corrig\u00e9s Lois d&#039;Ohm et calcul de la puissance Rappel cours. Avant de commencer les trois exercices, profitez d\u2019un petit rappel des points cl\u00e9s pour mieux r\u00e9ussir.Loi d&#039;Ohm Si on adopte la convention r\u00e9cepteur, la loi d\u2019Ohm s\u2019\u00e9crit : U=R.I avec : U en V ;\u00a0\u00a0 I en A [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/educelec.com\/en\/ohm-puiss\/\" \/>\n<meta property=\"og:site_name\" content=\"Exercices et Solutions en Electricit\u00e9, Electronique, Electrotechnique et Automatisme industrielle\" \/>\n<meta property=\"article:modified_time\" content=\"2026-01-01T13:18:52+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/educelec.com\/wp-content\/uploads\/2025\/12\/chap-e1766263997563.png\" \/>\n\t<meta property=\"og:image:width\" content=\"288\" \/>\n\t<meta property=\"og:image:height\" content=\"200\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"6 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/educelec.com\/ohm-puiss\/\",\"url\":\"https:\/\/educelec.com\/ohm-puiss\/\",\"name\":\"CC Ohm Puissance - Exercices et Solutions en Electricit\u00e9, Electronique, Electrotechnique et Automatisme industrielle\",\"isPartOf\":{\"@id\":\"https:\/\/educelec.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/educelec.com\/ohm-puiss\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/educelec.com\/ohm-puiss\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/educelec.com\/wp-content\/uploads\/2025\/12\/chap-300x209.png\",\"datePublished\":\"2022-12-23T19:34:59+00:00\",\"dateModified\":\"2026-01-01T13:18:52+00:00\",\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/educelec.com\/ohm-puiss\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/educelec.com\/ohm-puiss\/#primaryimage\",\"url\":\"https:\/\/educelec.com\/wp-content\/uploads\/2025\/12\/chap-300x209.png\",\"contentUrl\":\"https:\/\/educelec.com\/wp-content\/uploads\/2025\/12\/chap-300x209.png\"},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/educelec.com\/#website\",\"url\":\"https:\/\/educelec.com\/\",\"name\":\"Exercices et Solutions en Electricit\u00e9, Electronique, Electrotechnique et Automatisme industrielle\",\"description\":\"WordPress\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/educelec.com\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"CC Ohm Puissance - Exercices et Solutions en Electricit\u00e9, Electronique, Electrotechnique et Automatisme industrielle","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/educelec.com\/en\/ohm-puiss\/","og_locale":"en_US","og_type":"article","og_title":"CC Ohm Puissance - Exercices et Solutions en Electricit\u00e9, Electronique, Electrotechnique et Automatisme industrielle","og_description":"Acceuil &gt; Electricit\u00e9 &gt; Ohm &amp; puissanceExercices corrig\u00e9s Lois d'Ohm et calcul de la puissance Rappel cours. 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