. The voltage of clouds is
4×106 V with respect to ground. In a lightning strike lasting 100 ms, a charge of lightning strike is :
(a) 160 MW
(b) 80 MW
(c) 20 MW
(d) 500 kW
Best Answer
Answer : (a)
Solution: Work done in delivering q coulomb of charge from clouds to ground.
W = Vq
= 4 × 106 × 4
= 16 × 106 J
The power of lightning strike is
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