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Question

The r.m.s. value of an ac of 50 Hz is 10 amp. The time taken by the alternating current in reaching from zero to maximum value and the peak value of current will be

A
2×102 sec and 14.14 amp
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B
1×102 sec and 7.07 amp
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C
5×103 sec and 7.07 amp
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D
5×103 sec and 14.14 amp
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