Electric potential at a point P, r distance away due to a point charge q at a point A is V. If twice of this is distributed uniformly on the surface of a hollow sphere of radius 4r with the centre at point A, the potential at point P is now?
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I think It will be 2V.
Using Shell theorem we can assume hollow sphere as a point charge of 2q
at centre ,as
Vα q
V'=2V
Using Shell theorem we can assume hollow sphere as a point charge of 2q
at centre ,as
Vα q
V'=2V
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