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April 16, 2014

Homework Help: Physics

Posted by jenish on Monday, February 4, 2008 at 9:15pm.

In lightning storms, the potential difference between the earth and the bottom of the thunderclouds can be as high as 35000000 V.The bottoms of the thunderclouds are typically 1500 m above the earth, and can have an area of 110 km^2. Modelling the earth-cloud system as a huge capacitor,calculate
a)the capacitence of the earth -cloud system,
b)the charge stored in the capacitor and
c)the energy stored in the capacitor.

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