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The voltage of clouds is 4 xx 10^(6) V w...

The voltage of clouds is `4 xx 10^(6) V` with respect to ground. In a lighting strike lasting `100 ms`, a charge of `4 C` is delivered to the ground. The power of lighting strike is

A

160MW

B

80MW

C

20MW

D

500KW

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The correct Answer is:
B
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