Q .     Voltage `V` and current `i` in AC circuit is given by `V=50\sin50 t` volt
`i=50\sin (50t + \frac{\pi}{3} ) \ mA`. The power dissipated in circuit is:

BITSAT 2012
A

`5.0\ W`

B

`2.5\ W`

C

`1.25\ W`

D

Zero

HINT

Power dissipated in an AC circuit is: `P=VIcos\phi `
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