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Questions  

Ten 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

detailed solution

Correct option is B

At centre E=0, V≠0

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