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Potential at center of sphere

by daman24
Tags: potential, sphere
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Oct15-07, 07:15 PM
P: 1
A metal sphere carries a charge of 5 x 10^-9 C and is at a potentional of 400 V, relative to the potential far away. The potential at the center of the sphere is:

A) 400V


C)2 x 10^-6 V


E) none of these

What equation(s) would i use to solve this?
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