{"id":59702,"date":"2024-04-16T01:41:55","date_gmt":"2024-04-16T01:41:55","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=59702"},"modified":"2024-04-16T01:41:55","modified_gmt":"2024-04-16T01:41:55","slug":"armature-reaction-of-an-unsaturated-d-c-machine-is","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/armature-reaction-of-an-unsaturated-d-c-machine-is\/","title":{"rendered":"Armature reaction of an unsaturated D.C. machine is"},"content":{"rendered":"<p>[amp_mcq option1=&#8221;Cross-magnetizing&#8221; option2=&#8221;Demagnetizing&#8221; option3=&#8221;machine is A. Cross-magnetizing B. Demagnetizing C. Magnetizing&#8221; option4=&#8221;None of above&#8221; correct=&#8221;option1&#8243;]<!--more--><\/p>\n<p>The correct answer is A. Cross-magnetizing.<\/p>\n<p>Armature reaction is the effect of the armature current on the magnetic field of a DC machine. The armature current creates a magnetic field that opposes the main field of the machine. This is called cross-magnetizing.<\/p>\n<p>The armature reaction can cause a number of problems, including:<\/p>\n<ul>\n<li>A decrease in the output voltage of the machine.<\/li>\n<li>A decrease in the speed of the machine.<\/li>\n<li>A decrease in the efficiency of the machine.<\/li>\n<\/ul>\n<p>The armature reaction can be minimized by using a compensating winding. A compensating winding is a winding that is placed on the stator of the machine and is designed to cancel out the effect of the armature current.<\/p>\n<p>Here is a brief explanation of each option:<\/p>\n<ul>\n<li>Option A: Cross-magnetizing. This is the correct answer. The armature current creates a magnetic field that opposes the main field of the machine. This is called cross-magnetizing.<\/li>\n<li>Option B: Demagnetizing. This is not the correct answer. The armature current does not demagnetize the machine.<\/li>\n<li>Option C: Magnetizing. This is not the correct answer. The armature current does not magnetize the machine.<\/li>\n<li>Option D: None of above. This is not the correct answer. The armature reaction is a real phenomenon that can have a significant impact on the performance of a DC machine.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>[amp_mcq option1=&#8221;Cross-magnetizing&#8221; option2=&#8221;Demagnetizing&#8221; option3=&#8221;machine is A. Cross-magnetizing B. Demagnetizing C. Magnetizing&#8221; option4=&#8221;None of above&#8221; correct=&#8221;option1&#8243;]<\/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":[],"class_list":["post-59702","post","type-post","status-publish","format-standard","hentry","category-d-c-generators","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>Armature reaction of an unsaturated D.C. machine is<\/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\/armature-reaction-of-an-unsaturated-d-c-machine-is\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Armature reaction of an unsaturated D.C. machine is\" \/>\n<meta property=\"og:description\" content=\"[amp_mcq option1=&#8221;Cross-magnetizing&#8221; option2=&#8221;Demagnetizing&#8221; option3=&#8221;machine is A. 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