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A charge q is distributed over two conce...

A charge q is distributed over two concentric hollow spheres of raddii r and R such that the surface densities are equal. Find the potential at the common centre.

A

`sigma/epsilon_0 (R-r)

B

`sigma/epsilon_0 (R+r)

C

`(Rsigma)/(epsilon_0)`

D

`(sigma)/(epsilon_0)`

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MODERN PUBLICATION-TEXUAL QUESTIONS -EXERCISE
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  2. Two equal and opposite charges (+q and -q) are situated at x distance ...

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  3. A charge q is distributed over two concentric hollow spheres of raddii...

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  4. What is not true for equipotential surface for a uniform electric fiel...

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  5. Which of the following is not the property of equipotential surfaces?

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