Solved: Thunderclouds may develop a voltage difference of
Chapter 17, Problem 90GP(choose chapter or problem)
Problem 90GP
Thunderclouds may develop a voltage difference of about 5*107 V. Given that an electric field of 3*106 V/m is required to produce an electrical spark within a volume of air, estimate the length of a thundercloud lightning bolt. [Can you see why, when lightning strikes from a cloud to the ground, the bolt has to propagate as a sequence of steps?]
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