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KHW 20 Problem 20.63-Enhanced - with Feedback Review Lightning As a crude model for lightning, consider the ground to be one plate of a parallel-plate capacitor and a cloud at an altitude of 730 m to be the other plate. Assume the surface area of the cloud to be the same as the area of a square that is 0.70 km on a side. (Dielectric strength of air is 3.0 x 106 V/m) You may want to review (Pages 712-718)
10 of 18 PartA Review at an Express your answer using two significant figures. that is 718) Part How much charge can the cloud hold before the dielectric strength of the air is exceeded and a spark (lightning) results? Express your answer using two significant figures. ΑΣφ Submit
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