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WBJEE 2013 Physics Solved Paper

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Question : 34

Total: 60

An alternating current in a circuit is given by I = 20 sin (100πt + 0.05π) A. The r.m.s. value and the frequency of currentrespectively are

10A & 100 Hz
10A & 50 Hz
10√2A & 50Hz
10√2A & 100 Hz

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