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Question

The phase difference between current and voltage in an AC circuit is π4 radian, if the frequency of AC is 50Hz, then the phase difference is equivalent to the time difference:-

A
0.78s
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B
15.7ms
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C
2.5s
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D
2.5ms
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Solution

The correct option is D 2.5ms
Time Difference = Phasedifference2π×Frequency=π/42π×50=2.5×103sec

Therefore, D is correct option.

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