ECAT/ECAT Physics Alternating Current Mcq Questions MCQs :- multiple choice questions and answers. e.g ECAT MCQS,ECAT Mock Tests , ECAT Practice Papers ,ECAT Sample Test,ECAT Sample questions

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Question 1: An alternating current or voltage

fluctuates off and on

varies in magnitude alone

changes its direction again and again

changes its magnitude harmonically and reverses its direction of flow after regularly recurring intervals.

Total MCQS Questions are 40 in this paper ECAT Physics Alternating Current Mcq Questions