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A pitch ball covered with a tin roll having a mass m kg hangs by a fine silk thread of length l metres in an electric field E. When the ball is given the charge of q coulomb, it stands out d metres apart from the vertical line.The magnitude of electric field will be

A pitch ball covered with a tin roll having a mass m kg hangs by a fine silk thread of length l metres in an electric field E. When the ball is given the charge of q coulomb, it stands out d metres apart from the vertical line.The magnitude of electric field will be

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1 Answers

Thoi Steel
24 Points
7 years ago
E=mgd / q ( l^2 - d^2 )^(1/2)

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