Consider the parallel-plate capacitor formed by the Earth
Chapter 16, Problem 16.45(choose chapter or problem)
Consider the parallel-plate capacitor formed by the Earth and a cloud layer as described in 16.23. Assume this capacitor will discharge (i.e., produce lightning) when the electric eld strength between the plates reaches 3.0 106 N/C. What is the energy released if the capacitor discharges completely during a lightning strike?
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