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The average of power transmitted through...

The average of power transmitted through a given point on a string supporting sine wave is 0.2 W, while the amplitude of wave is`2xx10^-3m`. If the amplitude of wave is `3xx10^-3m` then average power transmitted will be

A

0.45 W

B

1.32 W

C

0.66 W

D

0.22 W

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