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125 electrons are equally spaced and fix...

125 electrons are equally spaced and fixed around a circle of radius R. Relative to V = 0 at infinity, the electrostatic potential V and the electric field E at the centre C are

A

`V = 0 and E != 0`

B

V = 0 and E = 0

C

`V != 0 and E = 0`

D

`V != 0 and E != 0`

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