A conducting spherical shell of inner radius and outer radius has a charge Q on it....

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A conducting spherical shell of inner radius and outer radius has a charge Q on it....

A conducting spherical shell of inner radius and outer radius has a charge Q on it. An additional charge, also Q, is then added to the sphere. What is the resulting charge per unit area on the outer surface of the sphere?

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Answer 1

Answer #1

charge on conductor always remains on its surface.

(in this case, only on outer surface)

total charge = 2 Q

outer radius is not given uppose outer radius is b.

then charge per unit area = 2 Q / (4 pi b^2)

= Q / (2 pi b^2)

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Answer 2

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