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In an a.c. circuit, E and I are given by...

In an a.c. circuit, E and I are given by `E = 100 sin (100 t)` (in volt), and `I = 100 sin (100t + pi//3) `( in mA) The power dissipated in the ciruit is

A

`10^4 W`

B

10 W

C

2.5W

D

5.0 W

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