A solid sphere of radius a is concentric with a hollow sphere of radius b, where...

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A solid sphere of radius a is concentric with a hollow sphere of radius b, where b> a. If the solid sphere has a charge +Q an

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Answer 1

Answer #1

If we consider a Gaussian surface of radius r>b, then the total charge enclosed in this surface = +Q-Q =0

According to Gauss law, the electric field = Q enclosed/epsilon0

since Q enclosed = 0, the electric field at r>b = zero.

Option E is correct answer.

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Answer 2

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