A solid conducting sphere of radius 20.00cm has a charge of 2.00ųC. If the potential is zero at infinity, find the value of the potential at the following distances from the center of the sphere:
a. 5.00cm b. 10.00cm c. 15.00cm
The potential of electric field inside conductor is the same. Hence
"=9*10^9*\\frac{2.00*10^{-6}}{0.20}=90000\\:\\rm V"
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