{"id":2477,"date":"2020-02-23T15:05:40","date_gmt":"2020-02-23T15:05:40","guid":{"rendered":"https:\/\/zzip.dk\/video\/?p=2477"},"modified":"2026-03-23T15:50:47","modified_gmt":"2026-03-23T14:50:47","slug":"modstand-ohm","status":"publish","type":"post","link":"https:\/\/duda.dk\/video\/fysik\/modstand-ohm\/","title":{"rendered":"Fysik &#8211; Elektrisk modstand, Ohm og Ohms lov (R)"},"content":{"rendered":"<div class=\"wpb-content-wrapper\">[vc_row][vc_column]<div class=\"vcex-module vcex-teaser vcex-teaser-two wpex-flex wpex-flex-col wpex-shadow-lg wpex-surface-2 wpex-p-20 wpex-rounded vc_custom_1774277306592\" style=\"background:#e8f9f9;\"><div class=\"vcex-teaser-content\"><h2 class=\"vcex-teaser-heading wpex-heading wpex-text-lg\">Fysik for 7-10. klasse: Elektrisk modstand - Ohm (R) og Ohms lov<\/h2><div class=\"vcex-teaser-text wpex-mt-10 wpex-last-mb-0 wpex-clr\"><p>Elektrisk modstand beskriver, hvor sv\u00e6rt det er for str\u00f8m at bev\u00e6ge sig gennem et materiale. Modstand m\u00e5les i ohm og afh\u00e6nger af materialets egenskaber. Ohms lov forklarer sammenh\u00e6ngen mellem sp\u00e6nding (U), str\u00f8m (I) og modstand (R): N\u00e5r sp\u00e6ndingen stiger, \u00f8ges str\u00f8mmen, hvis modstanden er den samme. Loven udtrykkes med formlen U=R\u22c5I, som g\u00f8r det muligt at beregne \u00e9n af st\u00f8rrelserne, n\u00e5r de to andre kendes. Denne video giver en enkel og visuel gennemgang af, hvordan modstand fungerer i elektriske kredsl\u00f8b, og hvorfor Ohms lov er grundl\u00e6ggende for at forst\u00e5 elektricitet i praksis.<\/p>\n<\/div><\/div><\/div>[vc_video link=&#8221;https:\/\/youtu.be\/EWw7JrDytiI?si=9PecGqhFmVWAw4R3&#8243;][\/vc_column][\/vc_row]\n<\/div>","protected":false},"excerpt":{"rendered":"<p>[vc_row][vc_column][vc_video link=&#8221;https:\/\/youtu.be\/EWw7JrDytiI?si=9PecGqhFmVWAw4R3&#8243;][\/vc_column][\/vc_row]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[74],"tags":[],"post_series":[],"class_list":["post-2477","post","type-post","status-publish","format-standard","hentry","category-fysik","entry","no-media"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Ohm og Ohms lov - fysikvideo om elektrisk modstand (R),<\/title>\n<meta name=\"description\" content=\"Forst\u00e5 elektrisk modstand, m\u00e5lt i ohm, og l\u00e6r hvordan Ohms lov forklarer forholdet mellem sp\u00e6nding, str\u00f8m og modstand.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/duda.dk\/video\/fysik\/modstand-ohm\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ohm og Ohms lov - fysikvideo om elektrisk modstand (R),\" \/>\n<meta property=\"og:description\" content=\"Forst\u00e5 elektrisk modstand, m\u00e5lt i ohm, og l\u00e6r hvordan Ohms lov forklarer forholdet mellem sp\u00e6nding, str\u00f8m og modstand.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/duda.dk\/video\/fysik\/modstand-ohm\/\" \/>\n<meta property=\"og:site_name\" content=\"DUDAs videoer\" \/>\n<meta property=\"article:published_time\" content=\"2020-02-23T15:05:40+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-03-23T14:50:47+00:00\" \/>\n<meta name=\"author\" content=\"Menares\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Menares\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/duda.dk\\\/video\\\/fysik\\\/modstand-ohm\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/duda.dk\\\/video\\\/fysik\\\/modstand-ohm\\\/\"},\"author\":{\"name\":\"Menares\",\"@id\":\"https:\\\/\\\/duda.dk\\\/video\\\/#\\\/schema\\\/person\\\/d55ed332af3aa2b904423a4852c509c5\"},\"headline\":\"Fysik &#8211; 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