{"id":2917,"date":"2023-06-30T11:31:41","date_gmt":"2023-06-30T11:31:41","guid":{"rendered":"https:\/\/vartmaaninstitutesirsa.com\/?page_id=2917"},"modified":"2024-06-27T12:02:33","modified_gmt":"2024-06-27T12:02:33","slug":"chapter-7-alternating-current-assertion-reason","status":"publish","type":"page","link":"https:\/\/vartmaaninstitutesirsa.com\/index.php\/chapter-7-alternating-current-assertion-reason\/","title":{"rendered":"Chapter 7: Alternating Current  Assertion Reason"},"content":{"rendered":"<h1><strong>Chapter 7: Alternating Current Assertion Reason<\/strong><\/h1>\n<p><strong>These questions of two statements each, printed as Assertion and Reason. While answering these Questions you are required to choose any one of the following four responses.<\/strong><\/p>\n<p><strong>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (A) If both Assertion &amp; Reason are true &amp; the Reason is a correct explanation of the Assertion.<\/strong><\/p>\n<p><strong>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (B) If both Assertion and Reason are true but Reason is not a correct explanation of the Assertion.<\/strong><\/p>\n<p><strong>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (C)\u00a0 If Assertion is true but the Reason is false.<\/strong><\/p>\n<p><strong>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (D) If Assertion &amp; Reason both are false.<\/strong><\/p>\n<p><strong>Q.1\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Assertion : <\/strong>The alternating current lags behind the e.m.f. by a phase angle of p\/2, when A.C. flows through an inductor.<\/p>\n<p><strong>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Reason : <\/strong>The inductive reactance increases as the frequency of A.C. source decreases.<\/p>\n<p><strong>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/strong>(1) A\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (2) B\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (3) C\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (4) D<\/p>\n<p><strong> Answer: 3<\/strong><\/p>\n<p><strong>Q.2\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Assertion : <\/strong>Capacitor serves as a block for D.C. and offers an easy path to A.C.<\/p>\n<p><strong>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Reason : <\/strong>Capacitive reactance is inversely proportional to frequency.<\/p>\n<p><strong>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/strong>(1) A\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (2) B\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (3) C\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (4) D<\/p>\n<p><strong> Answer: 1<\/strong><\/p>\n<p><strong>Q.3\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Assertion : <\/strong>Power loss in ideal choke coil is zero.<\/p>\n<p><strong>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Reason : <\/strong>Ideal choke coil has zero resistance.<\/p>\n<p><strong>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/strong>(1) A\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (2) B\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (3) C\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (4) D\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <strong>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/strong><\/p>\n<p><strong>\u00a0Answer: 1<\/strong><\/p>\n<p><strong>Q.4\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Assertion : <\/strong>The division are equally marked on the scale of A.C. ammeter.<\/p>\n<p><strong>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Reason : <\/strong>Heat produced is directly proportional to the current.<\/p>\n<p><strong>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/strong>(1) A\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (2) B\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (3) C\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (4) D<\/p>\n<p><strong> Answer: 4<\/strong><\/p>\n<p><strong>Q.5\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Assertion : <\/strong>At resonance, LCR circuit have a minimum current.<\/p>\n<p><strong>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Reason : <\/strong>At resonance, in LCR circuit, the current and e.m.f. are in phase with each other.<\/p>\n<p><strong>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/strong>(1) A\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (2) B\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (3) C\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (4) D<\/p>\n<p><strong>Answer: 4<\/strong><\/p>\n<p><strong>Q.6\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Assertion : <\/strong>When A.C. circuit contain resistor only, its power is minimum.<\/p>\n<p><strong>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Reason : <\/strong>Power of a circuit is independent of phase angle.<\/p>\n<p><strong>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/strong>(1) A\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (2) B\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (3) C\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (4) D<\/p>\n<p><strong> Answer: 4<\/strong><\/p>\n<p><strong>Q.7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Assertion : <\/strong>Average power loss in series LC circuit or in parallel LC circuit is always zero.<\/p>\n<p><strong>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Reason : <\/strong>Average values of voltage and current in A.C. is zero.<\/p>\n<p><strong>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/strong>(1) A\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (2) B\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (3) C\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (4) D<\/p>\n<p><strong> Answer: 2<\/strong><\/p>\n<p><strong>Q.8\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Assertion : <\/strong>Average of sinusoidal A.C. can never be zero for half cycle.<\/p>\n<p><strong>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Reason : <\/strong>Impedance given by inductance does not depends on frequency.<\/p>\n<p><strong>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/strong>(1) A\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (2) B\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (3) C\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (4) D<\/p>\n<p><strong> Answer: 4<\/strong><\/p>\n<p><strong>Q.9\u00a0\u00a0\u00a0\u00a0\u00a0 Assertion : <\/strong>The resistance of a coil for direct current is 5 ohm.\u00a0 An alternating current is sent through it.\u00a0 The resistance will remain same.<\/p>\n<p><strong>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Reason : <\/strong>The resistance of a coil does not depend upon nature of current.<\/p>\n<p><strong>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/strong>(1) A\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (2) B\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (3) C\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (4) D<\/p>\n<p><strong>Answer: 1<\/strong><\/p>\n<p><strong>Q.10\u00a0 \u00a0 \u00a0 \u00a0 \u00a0Assertion : <\/strong>Choke coil is preferred over a resistor to adjust current in an A.C. circuit.<\/p>\n<p><strong>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Reason : <\/strong>Power factor for inductance is zero, so power loss is also zero.<\/p>\n<p><strong>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/strong>(1) A\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (2) B\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (3) C\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (4) D<\/p>\n<p><strong>Answer: 1<\/strong><\/p>\n<p><strong>Q.11\u00a0\u00a0\u00a0\u00a0\u00a0 Assertion : <\/strong>If the frequency of alternating current in an A.C. circuit consisting of an inductance coil is increased than current get decreased.<\/p>\n<p><strong>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Reason : <\/strong>The current is inversely proportional to frequency of alternating current.<\/p>\n<p><strong>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/strong>(1) A\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (2) B\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (3) C\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (4) D<\/p>\n<p><strong> Answer: 1<\/strong><\/p>\n<h3><a href=\"https:\/\/vartmaaninstitutesirsa.com\/index.php\/chapter-6-electromagnetic-induction-assertion-reason\/\">Chapter 6: Electromagnetic Induction Assertion Reason<\/a><\/h3>\n<h3><a href=\"https:\/\/vartmaaninstitutesirsa.com\/index.php\/chapter-9-ray-optics-and-optical-instruments-assertion-reason\/\">Chapter 9: ray optics and optical instruments Assertion Reason<\/a><\/h3>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><strong><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone size-full wp-image-341\" src=\"https:\/\/vartmaaninstitutesirsa.com\/wp-content\/uploads\/2023\/02\/cropped-cropped-VATMAAN-INSTITUTE-LOGO-1-e1677580036534-1.png\" alt=\"\" width=\"1026\" height=\"275\" srcset=\"https:\/\/vartmaaninstitutesirsa.com\/wp-content\/uploads\/2023\/02\/cropped-cropped-VATMAAN-INSTITUTE-LOGO-1-e1677580036534-1.png 1026w, https:\/\/vartmaaninstitutesirsa.com\/wp-content\/uploads\/2023\/02\/cropped-cropped-VATMAAN-INSTITUTE-LOGO-1-e1677580036534-1-300x80.png 300w, https:\/\/vartmaaninstitutesirsa.com\/wp-content\/uploads\/2023\/02\/cropped-cropped-VATMAAN-INSTITUTE-LOGO-1-e1677580036534-1-1024x274.png 1024w, https:\/\/vartmaaninstitutesirsa.com\/wp-content\/uploads\/2023\/02\/cropped-cropped-VATMAAN-INSTITUTE-LOGO-1-e1677580036534-1-768x206.png 768w\" sizes=\"(max-width: 1026px) 100vw, 1026px\" \/><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Chapter 7: Alternating Current Assertion Reason These questions of two statements each, printed as Assertion and Reason. While answering these Questions you are required to choose any one of the following four responses. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (A) If both Assertion &amp; Reason are true &amp; the Reason is a correct explanation of the Assertion. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (B) If [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-2917","page","type-page","status-publish","hentry"],"aioseo_notices":[],"_hostinger_reach_plugin_has_subscription_block":false,"_hostinger_reach_plugin_is_elementor":false,"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false},"uagb_author_info":{"display_name":"sandeep.soni484@gmail.com","author_link":"https:\/\/vartmaaninstitutesirsa.com\/index.php\/author\/sandeep-soni484gmail-com\/"},"uagb_comment_info":0,"uagb_excerpt":"Chapter 7: Alternating Current Assertion Reason These questions of two statements each, printed as Assertion and Reason. 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