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The potential at the surface of a 20 cm -radius sphere is 4.0 kV . What...

The potential at the surface of a 20 cm -radius sphere is 4.0 kV . What is the charge on the sphere, assuming it's distributed in a spherically symmetric way?

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Answer #1

Potential at the surface of charged sphere is given as

V = k Q / R

4 x 10^3 = ( 9 x 10^9) (Q) / (0.20)

Q = 8.88 x 10^-8 C

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