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  4. The voltage of clouds is 4 × 106 V with respect to ground. In a lightning strike lasting 100 ms, a charge of 4 C is delivered to the ground. The average power of lightning strike is (assume complete discharges)

Q. The voltage of clouds is with respect to ground. In a lightning strike lasting , a charge of is delivered to the ground. The average power of lightning strike is (assume complete discharges)

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Solution:

Energy stored between cloud and earth, assuming the capacitor model is


The power of lightning strike is

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