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The capacitance of a spherical conductor...

The capacitance of a spherical conductor is `1 muF` and the charge on it is -10C. What is its potential in air?

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We know, `V=(Q)/(C )` , here `C=1muF = 10^(-6)F`, Q = -10C
`:. V = (-10)/(10^(-6))= -10^7 V`.
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