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MHT CET Physics question

PhysicsAlternating CurrentMHT CET

When 100 V D.C. flows in a solenoid, the current is 1.0 A. When 100 V A.C. flows, the current drops to 0.5 A. If the frequency of A.C. be 50 Hz, then the impedance and the inductance of the solenoid are

Answer: (A)

Solution

and , so and

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Question ID VK-081975