Question: Assume that global lightning on the Earth constitutes a constant current of 1.00 kA between the ground and an atmospheric layer at potential 260 kV.

Assume that global lightning on the Earth constitutes a constant current of 1.00 kA between the ground and an atmospheric layer at potential 260 kV.

(a) Find the power of terrestrial lightning.

(b) For comparison, find the power of sunlight falling on the Earth. Sunlight has an intensity of 1400 W/m ² above the atmosphere. Sunlight falls perpendicularly on the circular projected area that the Earth presents to the Sun.

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