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MHT CET Physics question

PhysicsAlternating CurrentMHT CET

A coil has resistance 30 ohm and inductive reactance 20 ohm at 50 Hz frequency. If an A.C. source, of 200 volt, 100 Hz is connected across the coil, the current in the coil will be

Answer: (C)

Solution

At 100 Hz, , so and A; A

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Question ID VK-082114