{"id":44411,"date":"2024-04-15T21:43:22","date_gmt":"2024-04-15T21:43:22","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=44411"},"modified":"2024-04-15T21:43:22","modified_gmt":"2024-04-15T21:43:22","slug":"if-b-is-the-flux-density-i-the-length-of-conductor-and-v-the-velocity-of-conductor-then-induced-e-m-f-is-given-by","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/if-b-is-the-flux-density-i-the-length-of-conductor-and-v-the-velocity-of-conductor-then-induced-e-m-f-is-given-by\/","title":{"rendered":"If B is the flux density, I the length of conductor and v the velocity of conductor, then induced e.m.f. is given by"},"content":{"rendered":"<p>\r\n    <!-- Check if it's an AMP page -->\r\n            <!-- Non-AMP version -->\r\n        <div class=\"mcq-container\" data-quiz-id=\"quizState_6a97f1c57e209\">\r\n                                            <div class=\"option\" data-option-key=\"option1\" data-is-correct=\"true\">\r\n                    Blv                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option2\" data-is-correct=\"false\">\r\n                    Blv2                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option3\" data-is-correct=\"false\">\r\n                    Bl2v                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option4\" data-is-correct=\"false\">\r\n                    Bl2v2                <\/div>\r\n                            \r\n            <!-- Feedback messages for non-AMP -->\r\n            <div class=\"feedback\" data-feedback=\"wrong\">Answer is Right!<\/div>\r\n            <div class=\"feedback\" data-feedback=\"right\">Answer is Wrong!<\/div>\r\n        <\/div>\r\n\r\n        <script>\r\n        document.addEventListener('DOMContentLoaded', function () {\r\n            var containers = document.querySelectorAll('.mcq-container');\r\n\r\n            containers.forEach(function(container) {\r\n                var options = container.querySelectorAll('.option');\r\n                var feedbackSelect = container.querySelector('[data-feedback=\"select\"]');\r\n                var feedbackWrong = container.querySelector('[data-feedback=\"wrong\"]');\r\n                var feedbackRight = container.querySelector('[data-feedback=\"right\"]');\r\n\r\n                options.forEach(function(option) {\r\n                    option.addEventListener('click', function() {\r\n                        var selectedOption = option.getAttribute('data-option-key');\r\n                        var isCorrect = option.getAttribute('data-is-correct') === 'true';\r\n\r\n                        \/\/ Remove previous selections\r\n                        options.forEach(function(opt) {\r\n                            opt.classList.remove('correct', 'incorrect');\r\n                        });\r\n\r\n                        \/\/ Add the correct\/incorrect class\r\n                        if (isCorrect) {\r\n                            option.classList.add('correct');\r\n                            feedbackRight.hidden = false;\r\n                            feedbackWrong.hidden = true;\r\n                        } else {\r\n                            option.classList.add('incorrect');\r\n                            feedbackRight.hidden = true;\r\n                            feedbackWrong.hidden = false;\r\n                        }\r\n\r\n                        \/\/ Hide select feedback\r\n                        feedbackSelect.hidden = true;\r\n                    });\r\n                });\r\n            });\r\n        });\r\n        <\/script>\r\n    \r\n    <!--more--><\/p>\n<p>The correct answer is A. Blv.<\/p>\n<p>The induced emf is given by the following equation:<\/p>\n<p>$E = Blv$<\/p>\n<p>where:<\/p>\n<ul>\n<li>$B$ is the flux density<\/li>\n<li>$l$ is the length of the conductor<\/li>\n<li>$v$ is the velocity of the conductor<\/li>\n<\/ul>\n<p>The flux density is the magnetic field strength per unit area. The length of the conductor is the distance that the conductor travels through the magnetic field. The velocity of the conductor is the speed at which the conductor travels through the magnetic field.<\/p>\n<p>When a conductor moves through a magnetic field, an emf is induced in the conductor. The magnitude of the induced emf is proportional to the flux density, the length of the conductor, and the velocity of the conductor.<\/p>\n<p>Option B is incorrect because it does not include the length of the conductor. Option C is incorrect because it does not include <div class=\"youtube-subscribe-container\">\r\n        <div class=\"telegram-channel-container\">\r\n        <a href=\"https:\/\/t.me\/pscnotes2025\" target=\"_blank\" class=\"telegram-channel-button\">\r\n            <span class=\"telegram-icon\">\r\n                <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 496 512\">\r\n                    <path fill=\"white\" d=\"M248,8C111,8,0,119,0,256s111,248,248,248s248-111,248-248S385,8,248,8z M362,177L320,367c-3,14-10,18-20,14l-56-41l-27,26 c-3,3-5,5-10,5l4-63L323,196c5-5-1-7-8-3l-98,62l-42-13c-9-3-10-9,2-14l162-63C351,160,365,164,362,177z\"\/>\r\n                <\/svg>\r\n            <\/span>\r\n            Join Our Telegram Channel\r\n        <\/a>\r\n    <\/div> <a href=\"https:\/\/www.youtube.com\/channel\/UCNHT8lW-JmLC68rjBfZhdkg?sub_confirmation=1\" target=\"_blank\" class=\"youtube-subscribe-button\">\r\n            <span class=\"youtube-icon\">\r\n                <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 576 512\">\r\n                    <path d=\"M549.7 124.1c-6.3-23.7-24.8-42.3-48.3-48.6C458.8 64 288 64 288 64S117.2 64 74.6 75.5c-23.5 6.3-42 24.9-48.3 48.6-11.4 42.9-11.4 132.3-11.4 132.3s0 89.4 11.4 132.3c6.3 23.7 24.8 41.5 48.3 47.8C117.2 448 288 448 288 448s170.8 0 213.4-11.5c23.5-6.3 42-24.2 48.3-47.8 11.4-42.9 11.4-132.3 11.4-132.3s0-89.4-11.4-132.3zm-317.5 213.5V175.2l142.7 81.2-142.7 81.2z\"\/>\r\n                <\/svg>\r\n            <\/span>\r\n            Subscribe on YouTube\r\n        <\/a>\r\n    <\/div> the velocity of the conductor. Option D is incorrect because it includes the square of the velocity of the conductor.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Join Our Telegram Channel Subscribe on YouTube<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[742],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.2 (Yoast SEO v23.3) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>If B is the flux density, I the length of conductor and v the velocity of conductor, then induced e.m.f. is given by<\/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:\/\/exam.pscnotes.com\/mcq\/if-b-is-the-flux-density-i-the-length-of-conductor-and-v-the-velocity-of-conductor-then-induced-e-m-f-is-given-by\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"If B is the flux density, I the length of conductor and v the velocity of conductor, then induced e.m.f. is given by\" \/>\n<meta property=\"og:description\" content=\"Subscribe on YouTube\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/if-b-is-the-flux-density-i-the-length-of-conductor-and-v-the-velocity-of-conductor-then-induced-e-m-f-is-given-by\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2024-04-15T21:43:22+00:00\" \/>\n<meta name=\"author\" content=\"rawan239\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"rawan239\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"If B is the flux density, I the length of conductor and v the velocity of conductor, then induced e.m.f. is given by","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:\/\/exam.pscnotes.com\/mcq\/if-b-is-the-flux-density-i-the-length-of-conductor-and-v-the-velocity-of-conductor-then-induced-e-m-f-is-given-by\/","og_locale":"en_US","og_type":"article","og_title":"If B is the flux density, I the length of conductor and v the velocity of conductor, then induced e.m.f. is given by","og_description":"Subscribe on YouTube","og_url":"https:\/\/exam.pscnotes.com\/mcq\/if-b-is-the-flux-density-i-the-length-of-conductor-and-v-the-velocity-of-conductor-then-induced-e-m-f-is-given-by\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2024-04-15T21:43:22+00:00","author":"rawan239","twitter_card":"summary_large_image","twitter_misc":{"Written by":"rawan239","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/exam.pscnotes.com\/mcq\/if-b-is-the-flux-density-i-the-length-of-conductor-and-v-the-velocity-of-conductor-then-induced-e-m-f-is-given-by\/","url":"https:\/\/exam.pscnotes.com\/mcq\/if-b-is-the-flux-density-i-the-length-of-conductor-and-v-the-velocity-of-conductor-then-induced-e-m-f-is-given-by\/","name":"If B is the flux density, I the length of conductor and v the velocity of conductor, then induced e.m.f. is given by","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2024-04-15T21:43:22+00:00","dateModified":"2024-04-15T21:43:22+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"breadcrumb":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/if-b-is-the-flux-density-i-the-length-of-conductor-and-v-the-velocity-of-conductor-then-induced-e-m-f-is-given-by\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/exam.pscnotes.com\/mcq\/if-b-is-the-flux-density-i-the-length-of-conductor-and-v-the-velocity-of-conductor-then-induced-e-m-f-is-given-by\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/exam.pscnotes.com\/mcq\/if-b-is-the-flux-density-i-the-length-of-conductor-and-v-the-velocity-of-conductor-then-induced-e-m-f-is-given-by\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/exam.pscnotes.com\/mcq\/"},{"@type":"ListItem","position":2,"name":"mcq","item":"https:\/\/exam.pscnotes.com\/mcq\/category\/mcq\/"},{"@type":"ListItem","position":3,"name":"Electrical engineering","item":"https:\/\/exam.pscnotes.com\/mcq\/category\/mcq\/electrical-engineering\/"},{"@type":"ListItem","position":4,"name":"D.c. 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