An alternating current is given by I = 100 (50 t). How many times will the current become zero in one second?

MHT CET 2024 Physics question

An alternating current is given by . How many times will the current become zero in one second?

Answer: (A)

Compare with : rad/s, so the frequency is Hz. The current is zero when , i.e. s (). Equivalently, the current passes through zero twice in

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Question ID VK-093156