A conducting sphere contains positive charge distributed uniformly over its surf

Question

A conducting sphere contains positive charge distributed uniformly over its surface. Which statements about the potential due to this sphere are true? All potentials are measured relative to infinity. (There may be more than one correct choice.)


A)The potential at the center of the sphere is zero.

B)The potential is lowest, but not zero, at the center of the sphere.

C) The potential at the center of the sphere is the same as the potential at the surface.

D) The potential at the center is the same as the potential at infinity.

E) The potential at the surface is higher than the potential at the center.

WHAT IS THE ANSWER AND WHY?

Explanation / Answer

C) The potential at the center of the sphere is the same as the potential at the surface.

because by gauss law field inside it (E) = 0

and dV = -E.dl

=0

so V is same at suface and center = Kq/r not equal to zero and positive mean greater then infinity

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