(b)How many times does AC (alternating current) used in India change d – InterviewSolution

InterviewSolution

1.	(b)How many times does AC (alternating current) used in India change direction in one cycle ?
Answer» Changein polarity ofACsignal always double the It's frequency of oscillations, because foronecompletecycle ACsignal undergoesonepositive andonenegative halfcycles. i.eonepositive and negative polarities. For a 50 Hz sine wave,it undergoes 100 times polaritychangesover acycle.

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