A spherical oil drop radius 10−4cm has on it at a certain time a tot – InterviewSolution

1.	A spherical oil drop radius 10−4cm has on it at a certain time a total charge of 40 electron. Calculate the energy that would be required to place an additional electron on the drop
Answer» A spherical oil drop radius $10^{- 4} c m$ has on it at a certain time a total charge of 40 electron. Calculate the energy that would be required to place an additional electron on the drop

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