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A cube of side b has a charge q at each ...

A cube of side b has a charge q at each of its vertices. Determine the potential and electric field due to this charge array at the center of the cube.

A

zero

B

`(32q)/(b^(2))`

C

`q/(2b^(2))`

D

`q/(b^(2))`

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The correct Answer is:
A
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