{"id":4737,"date":"2026-08-11T18:00:40","date_gmt":"2026-08-11T18:00:40","guid":{"rendered":"https:\/\/etisystems.com\/quel-type-de-resistance-variable-modifie-la-resistance-proportionnellement-sur-toute-sa-plage\/"},"modified":"2026-10-08T19:56:41","modified_gmt":"2026-10-08T19:56:41","slug":"quel-type-de-resistance-variable-modifie-la-resistance-proportionnellement-sur-toute-sa-plage","status":"publish","type":"post","link":"https:\/\/etisystems.com\/fr\/quel-type-de-resistance-variable-modifie-la-resistance-proportionnellement-sur-toute-sa-plage\/","title":{"rendered":"Quel type de r\u00e9sistance variable modifie la r\u00e9sistance proportionnellement sur toute sa plage ?"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"4737\" class=\"elementor elementor-4737 elementor-3847\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-a081776 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"a081776\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-8d14cd9\" data-id=\"8d14cd9\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-d44c918 elementor-widget elementor-widget-text-editor\" data-id=\"d44c918\" data-element_type=\"widget\" data-e-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\t<p>Un <a href=\"https:\/\/etisystems.com\/fr\/potentiometres\/\"><strong>potentiom\u00e8tre<\/strong><\/a> \u00e0 c\u00f4ne lin\u00e9aire est la r\u00e9ponse. Lorsque le curseur se d\u00e9place, la r\u00e9sistance s\u2019accumule \u00e0 un rythme constant sur toute sa plage, de sorte qu\u2019un mouvement de 10 % produit toujours un changement de r\u00e9sistance de 10 %. Cette coh\u00e9rence est ce que \u00ab proportionnel \u00bb signifie ici : un mouvement \u00e9gal produit un changement \u00e9gal, sans courbe, sans saut et sans point plat le long du chemin. C\u2019est aussi ce qui distingue un c\u00f4ne lin\u00e9aire des autres conceptions de <strong>r\u00e9sistances variables<\/strong> construites autour d\u2019un type de r\u00e9ponse diff\u00e9rent.   <\/p>\n<h2>Les potentiom\u00e8tres \u00e0 c\u00f4ne lin\u00e9aire offrent un changement de r\u00e9sistance proportionnel<\/h2>\n<p>Un <strong>potentiom\u00e8tre<\/strong> construit avec un c\u00f4ne lin\u00e9aire utilise une piste r\u00e9sistive o\u00f9 la r\u00e9sistance s\u2019accumule au m\u00eame rythme sur chaque section. D\u00e9placez le curseur \u00e0 mi-chemin, et la sortie indique exactement la moiti\u00e9 de la r\u00e9sistance totale. D\u00e9placez-le d\u2019un quart du chemin, et la lecture suit avec la m\u00eame pr\u00e9cision. Cette relation directe et fiable entre la position et la r\u00e9sistance explique pourquoi les potentiom\u00e8tres \u00e0 c\u00f4ne lin\u00e9aire apparaissent constamment dans les circuits qui n\u00e9cessitent que le mouvement physique et la sortie \u00e9lectrique se suivent exactement.   <\/p>\n<h2>Comment un c\u00f4ne lin\u00e9aire diff\u00e8re d\u2019un c\u00f4ne logarithmique<\/h2>\n<p>Toutes les <strong>r\u00e9sistances variables<\/strong> ne changent pas \u00e0 un rythme constant, et c\u2019est intentionnel dans certains cas. Un c\u00f4ne logarithmique, ou audio, concentre la majeure partie de son changement de r\u00e9sistance pr\u00e8s d\u2019une extr\u00e9mit\u00e9 de la piste tout en bougeant \u00e0 peine sur le reste. Cette forme existe parce que l\u2019ou\u00efe humaine ne per\u00e7oit pas le volume sur une \u00e9chelle lin\u00e9aire, de sorte qu\u2019un bouton de volume \u00e0 c\u00f4ne logarithmique semble doux et uniforme \u00e0 l\u2019oreille, m\u00eame si la r\u00e9sistance sous-jacente change de mani\u00e8re in\u00e9gale. Un c\u00f4ne lin\u00e9aire adopte l\u2019approche inverse, ignorant compl\u00e8tement cette courbe afin que la sortie \u00e9lectrique corresponde directement au monde physique plut\u00f4t que de compenser la fa\u00e7on dont une personne le per\u00e7oit.   <\/p>\n<h2>Pourquoi la r\u00e9sistance proportionnelle est importante pour les capteurs et les circuits de commande<\/h2>\n<p>La d\u00e9tection de position est l\u2019endroit o\u00f9 cette proportionnalit\u00e9 prend tout son sens. Lorsqu\u2019un potentiom\u00e8tre suit la position d\u2019une pi\u00e8ce m\u00e9canique, qu\u2019il s\u2019agisse d\u2019une vanne, d\u2019un joystick ou d\u2019un actionneur lin\u00e9aire, la tension de sortie doit repr\u00e9senter cette position avec pr\u00e9cision \u00e0 chaque point le long du d\u00e9placement, et pas seulement aux deux extr\u00e9mit\u00e9s. Un c\u00f4ne lin\u00e9aire rend cela possible : la moiti\u00e9 de la plage m\u00e9canique correspond exactement \u00e0 la moiti\u00e9 de la plage de r\u00e9sistance, ce qui correspond exactement \u00e0 la moiti\u00e9 de la tension de sortie \u00e9galement. Cette relation directe et fiable est ce qui permet au contr\u00f4le en boucle ferm\u00e9e de fonctionner, car un contr\u00f4leur peut se fier \u00e0 une lecture de tension donn\u00e9e qui correspond toujours \u00e0 la m\u00eame position physique.    <a href=\"https:\/\/etisystems.com\/how-potentiometers-function-as-variable-resistor\/\"><strong>Comment les potentiom\u00e8tres fonctionnent-ils comme des r\u00e9sistances variables ?<\/strong><\/a> approfondit la m\u00e9canique du diviseur de tension derri\u00e8re cette relation.<\/p>\n<h2>Autres types de r\u00e9sistances variables et leurs limites en mati\u00e8re de proportionnalit\u00e9<\/h2>\n<p>Les potentiom\u00e8tres bobin\u00e9s construisent la r\u00e9sistance \u00e0 partir de bobines de fil individuelles, et m\u00eame une pi\u00e8ce bobin\u00e9e construite avec un c\u00f4ne lin\u00e9aire se d\u00e9place toujours par petits pas lorsque le curseur traverse chaque bobine plut\u00f4t que de se d\u00e9placer parfaitement en douceur. Les potentiom\u00e8tres multitours abordent un probl\u00e8me enti\u00e8rement diff\u00e9rent. R\u00e9partir la m\u00eame plage de r\u00e9sistance sur plusieurs rotations au lieu d\u2019une am\u00e9liore la r\u00e9solution et la pr\u00e9cision du contr\u00f4le, mais la forme du c\u00f4ne et le nombre de tours sont deux d\u00e9cisions de conception distinctes. Un potentiom\u00e8tre multitours peut \u00eatre construit en lin\u00e9aire ou en logarithmique, car le nombre de tours modifie la finesse du r\u00e9glage plut\u00f4t que de savoir si le changement de r\u00e9sistance reste proportionnel. <a href=\"https:\/\/etisystems.com\/linear-vs-multi-turn-potentiometers-differences-applications\/\"><strong>Potentiom\u00e8tres lin\u00e9aires vs multitours<\/strong><\/a> d\u00e9compose davantage cette distinction, et   &nbsp;<a href=\"https:\/\/etisystems.com\/fr\/quel-type-de-resistance-fonctionne-en-deplacant-le-curseur-a-laide-dune-vis-sur-plusieurs-tours\/\" target=\"_blank\"><b>Quel type de r\u00e9sistance fonctionne en d\u00e9pla\u00e7ant le bras d\u2019essuie-glace avec une vis d\u2019un certain nombre de tours ?<\/b><\/a>&nbsp;examine sp\u00e9cifiquement la conception m\u00e9canique derri\u00e8re la construction multitours.<\/p>\n<h2>Choisir un potentiom\u00e8tre lin\u00e9aire pour un contr\u00f4le proportionnel<\/h2>\n<p>Le choix de la bonne pi\u00e8ce commence par la confirmation que l\u2019application n\u00e9cessite r\u00e9ellement une sortie proportionnelle. Les commandes de volume et les circuits de tonalit\u00e9 n\u00e9cessitent g\u00e9n\u00e9ralement un c\u00f4ne logarithmique, car une r\u00e9ponse lin\u00e9aire semblerait in\u00e9gale \u00e0 l\u2019oreille bien qu\u2019elle soit \u00e9lectriquement pr\u00e9cise. Les applications de d\u00e9tection et de contr\u00f4le n\u00e9cessitent presque toujours un c\u00f4ne lin\u00e9aire, car le contr\u00f4leur d\u00e9pend d\u2019une lecture pr\u00e9cise et pr\u00e9visible de la position physique plut\u00f4t que d\u2019une approximation perceptive. <strong>ETI Systems<\/strong> fabrique des potentiom\u00e8tres \u00e0 c\u00f4ne lin\u00e9aire con\u00e7us sp\u00e9cifiquement pour ce type de d\u00e9tection de position proportionnelle, fournissant des mod\u00e8les utilis\u00e9s dans le contr\u00f4le industriel, la r\u00e9troaction de vanne et les applications de joystick. La valeur de r\u00e9sistance et le choix de l\u2019\u00e9l\u00e9ment r\u00e9sistif sont importants au-del\u00e0 du c\u00f4ne, et l\u2019ajustement fin de la r\u00e9solution de sortie une fois le bon c\u00f4ne s\u00e9lectionn\u00e9 est couvert dans <a href=\"https:\/\/etisystems.com\/fr\/comment-augmenter-la-sensibilite-dun-potentiometre\/\"><strong>Comment augmenter la sensibilit\u00e9 d\u2019un potentiom\u00e8tre ?<\/strong><\/a> Les sp\u00e9cifications des composants et la disponibilit\u00e9 des stocks peuvent \u00e9galement \u00eatre v\u00e9rifi\u00e9es aupr\u00e8s de distributeurs tels que <a href=\"https:\/\/etisystems.com\/fr\/distributeurs\/\"><strong>Digi-Key<\/strong><\/a> avant la finalisation d\u2019une pi\u00e8ce.   <\/p>\n<h2>Questions fr\u00e9quemment pos\u00e9es<\/h2>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ad6e07a elementor-widget elementor-widget-accordion\" data-id=\"ad6e07a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-accordion\">\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1811\" class=\"elementor-tab-title\" data-tab=\"1\" role=\"button\" aria-controls=\"elementor-tab-content-1811\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">Quel type de r\u00e9sistance variable modifie la r\u00e9sistance proportionnellement ?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-1811\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"region\" aria-labelledby=\"elementor-tab-title-1811\"><p>Un potentiom\u00e8tre \u00e0 c\u00f4ne lin\u00e9aire le fait. Sa r\u00e9sistance change \u00e0 un rythme constant lorsque le curseur se d\u00e9place, de sorte qu\u2019un mouvement \u00e9gal produit toujours un changement \u00e9gal de r\u00e9sistance. <\/p>\n<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1812\" class=\"elementor-tab-title\" data-tab=\"2\" role=\"button\" aria-controls=\"elementor-tab-content-1812\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">Quelle est la diff\u00e9rence entre un potentiom\u00e8tre \u00e0 c\u00f4ne lin\u00e9aire et un potentiom\u00e8tre \u00e0 c\u00f4ne logarithmique ?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-1812\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"2\" role=\"region\" aria-labelledby=\"elementor-tab-title-1812\"><p>Un c\u00f4ne lin\u00e9aire modifie la r\u00e9sistance \u00e0 un rythme constant sur toute sa plage. Un c\u00f4ne logarithmique modifie la r\u00e9sistance de mani\u00e8re in\u00e9gale, concentrant la majeure partie du changement pr\u00e8s d\u2019une extr\u00e9mit\u00e9, ce qui convient mieux \u00e0 l\u2019ou\u00efe humaine qu\u2019une r\u00e9ponse lin\u00e9aire. <\/p>\n<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1813\" class=\"elementor-tab-title\" data-tab=\"3\" role=\"button\" aria-controls=\"elementor-tab-content-1813\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">Pourquoi les capteurs de position utilisent-ils des potentiom\u00e8tres \u00e0 c\u00f4ne lin\u00e9aire ?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-1813\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"3\" role=\"region\" aria-labelledby=\"elementor-tab-title-1813\"><p>Un c\u00f4ne lin\u00e9aire offre une relation directe et pr\u00e9visible entre la position physique et la tension de sortie, permettant \u00e0 un contr\u00f4leur de croire que toute lecture donn\u00e9e correspond \u00e0 une position sp\u00e9cifique.<\/p>\n<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1814\" class=\"elementor-tab-title\" data-tab=\"4\" role=\"button\" aria-controls=\"elementor-tab-content-1814\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">Un potentiom\u00e8tre multitours a-t-il toujours un c\u00f4ne lin\u00e9aire ?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-1814\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"4\" role=\"region\" aria-labelledby=\"elementor-tab-title-1814\"><p>Non, le nombre de tours et la forme du c\u00f4ne sont des choix de conception distincts. Un potentiom\u00e8tre multitours peut \u00eatre construit avec un c\u00f4ne lin\u00e9aire ou logarithmique, selon l\u2019application. <\/p>\n<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1815\" class=\"elementor-tab-title\" data-tab=\"5\" role=\"button\" aria-controls=\"elementor-tab-content-1815\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">Les potentiom\u00e8tres bobin\u00e9s sont-ils vraiment proportionnels ?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-1815\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"5\" role=\"region\" aria-labelledby=\"elementor-tab-title-1815\"><p>Proches, mais pas parfaitement lisses. Un c\u00f4ne lin\u00e9aire bobin\u00e9 modifie toujours la r\u00e9sistance par petits pas lorsque le curseur traverse chaque bobine, tandis qu\u2019un \u00e9l\u00e9ment en plastique conducteur produit un changement plus lisse et plus continu. <\/p>\n<\/div>\n\t\t\t\t<\/div>\n\t\t\t\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<div class=\"elementor-element elementor-element-e7032f2 elementor-widget elementor-widget-post-info\" data-id=\"e7032f2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"post-info.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-inline-items elementor-icon-list-items elementor-post-info\">\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-repeater-item-970f9aa elementor-inline-item\" itemprop=\"about\">\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-tags\"><\/i>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-terms\">\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-post-info__terms-list\">\n\t\t\t\t<a href=\"https:\/\/etisystems.com\/fr\/category\/potentiometre\/\" class=\"elementor-post-info__terms-list-item\">Potentiom\u00e8tre<\/a>\t\t\t\t<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t<li class=\"elementor-icon-list-item elementor-repeater-item-442dbfc elementor-inline-item\" itemprop=\"about\">\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-tags\"><\/i>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-terms\">\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-post-info__terms-list\">\n\t\t\t\t<a href=\"https:\/\/etisystems.com\/fr\/tag\/potentiometre\/\" class=\"elementor-post-info__terms-list-item\">Potentiom\u00e8tre<\/a>\t\t\t\t<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Un potentiom\u00e8tre \u00e0 c\u00f4ne lin\u00e9aire est la r\u00e9ponse. Lorsque le curseur se d\u00e9place, la r\u00e9sistance s\u2019accumule \u00e0 un rythme constant sur toute sa plage, de sorte qu\u2019un mouvement de 10 % produit toujours un changement de r\u00e9sistance de 10 %. Cette coh\u00e9rence est ce que \u00ab proportionnel \u00bb signifie ici : un mouvement \u00e9gal produit [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":4709,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[152],"tags":[153],"class_list":["post-4737","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-potentiometre","tag-potentiometre"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Quel type de r\u00e9sistance variable modifie la r\u00e9sistance ?<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez quel type de potentiom\u00e8tre modifie la r\u00e9sistance proportionnellement sur toute sa plage, et comment le c\u00f4ne lin\u00e9aire se compare aux autres conceptions de r\u00e9sistances variables.\" \/>\n<meta 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