{"id":58775,"date":"2024-04-16T01:25:23","date_gmt":"2024-04-16T01:25:23","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=58775"},"modified":"2024-04-16T01:25:23","modified_gmt":"2024-04-16T01:25:23","slug":"in-each-of-the-three-coils-of-a-three-phase-generator-an-alternating-voltage-having-an-r-m-s-value-of-220-v-is-induced-which-of-the-following-values-is-indicated-by-the-voltmeters","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/in-each-of-the-three-coils-of-a-three-phase-generator-an-alternating-voltage-having-an-r-m-s-value-of-220-v-is-induced-which-of-the-following-values-is-indicated-by-the-voltmeters\/","title":{"rendered":"In each of the three coils of a three phase generator, an alternating voltage having an r.m.s. value of 220 V is induced. Which of the following values is indicated by the voltmeters?"},"content":{"rendered":"<p>[amp_mcq option1=&#8221;220 V&#8221; option2=&#8221;$$200\\sqrt 3 {\\text{ V}}$$&#8221; option3=&#8221;$$\\frac{{200}}{{\\sqrt 3 }}{\\text{ V}}$$&#8221; option4=&#8221;None of the above&#8221; correct=&#8221;option4&#8243;]<!--more--><\/p>\n<p>The correct answer is $\\boxed{\\frac{{200}}{{\\sqrt 3 }}{\\text{ V}}}$.<\/p>\n<p>In a three-phase generator, there are three coils that are displaced by 120 degrees from each other. The voltage induced in each coil is the same, but the phase angle of the voltage is different. The voltage between any two terminals of the generator is the vector sum of the voltages in the two coils.<\/p>\n<p>The r.m.s. value of the voltage between any two terminals is $\\frac{{200}}{{\\sqrt 3 }}{\\text{ V}}$.<\/p>\n<p>Option A is incorrect because it is the r.m.s. value of the voltage in each coil. Option B is incorrect because it is the peak value of the voltage in each coil. Option C is incorrect because it is the r.m.s. value of the voltage between two terminals that are 120 degrees apart.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>[amp_mcq option1=&#8221;220 V&#8221; option2=&#8221;$$200\\sqrt 3 {\\text{ V}}$$&#8221; option3=&#8221;$$\\frac{{200}}{{\\sqrt 3 }}{\\text{ V}}$$&#8221; option4=&#8221;None of the above&#8221; correct=&#8221;option4&#8243;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[739],"tags":[],"class_list":["post-58775","post","type-post","status-publish","format-standard","hentry","category-a-c-fundamentals-circuits-and-circuit-theory","no-featured-image-padding"],"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>In each of the three coils of a three phase generator, an alternating voltage having an r.m.s. value of 220 V is induced. Which of the following values is indicated by the voltmeters?<\/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\/in-each-of-the-three-coils-of-a-three-phase-generator-an-alternating-voltage-having-an-r-m-s-value-of-220-v-is-induced-which-of-the-following-values-is-indicated-by-the-voltmeters\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"In each of the three coils of a three phase generator, an alternating voltage having an r.m.s. value of 220 V is induced. 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Which of the following values is indicated by the voltmeters?","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\/in-each-of-the-three-coils-of-a-three-phase-generator-an-alternating-voltage-having-an-r-m-s-value-of-220-v-is-induced-which-of-the-following-values-is-indicated-by-the-voltmeters\/","og_locale":"en_US","og_type":"article","og_title":"In each of the three coils of a three phase generator, an alternating voltage having an r.m.s. value of 220 V is induced. 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