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Question
If the potential differences between two parts of a thundercloud is 10s V,
what is the amount of energy given up during the passage of 20 coulombs?
(a)2x10-7J
(b)200J
(c)Sx106 j
(d)2x 109J
(e)2x 1010 J
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Solution
Given, p.d. , V = 108 volt, charge Q = 20 coulombs
Energy given= QV = 20 x108 =2x109 J
(d) 2x109 J
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