The phase difference between the voltage and the current in an ac circuit is π/4. If the frequency is 50 Hz then this phase difference will be equivalent to a time of
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a
0.02 s
b
0.25 s
c
2.5 ms
d
25 ms
answer is C.
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Detailed Solution
Time difference =T2π×φ=(1/50)2π×π4=1400s=2.5 m s