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A conducting sphere of radius a has a total charge Q on it. A charge q...

A conducting sphere of radius a has a total charge Q on it. A charge q is brought at a distance d from the center of the sphere (d > a). Using the method of images:

(a) Find the electric potential V (r, θ) in the region r > a.
(b) Find the surface charge density on the surface of the sphere.

(c) Find the force on the charge q.

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Answer #1

Whan we find out electric potential at distance r , we see that this is same formula of electric potential due to a point charge. So conducting sphere works like a point charge.

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