Q. A charged hollow sphere does not produce an electric field at any

 2079  178 AIIMSAIIMS 1997Electric Charges and Fields Report Error

Solution:

Let us consider a charged hollow sphere with charge q. The charge q is on the surface of the sphere. We have to calculate the electric field at an interior point P distance r from the centre. If we imagine a Gaussian spherical surface through the point P and concentric with the given shell, we can use the Gauss theorem,
where q' is the charge enclosed by this Gaussian surface = 0

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