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27 drops of smalll size are charged at 220v each.They coalesce to form a bigger drop.calculate the potential of the bigger drop?

27 drops of smalll size are charged at 220v each.They coalesce to form a bigger drop.calculate the potential of the bigger drop?

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1 Answers

Chetan Mandayam Nayakar
312 Points
11 years ago

Capacitance C=4πε0r, let radius of big drop be R,R=3r, Q=27q,V=Q/4πε0R=27*220/3

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