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3 charges are placed in a circle of radi...

3 charges are placed in a circle of radius `d` as shown in figure. Find the electric field along x-axis at centre of circle.

A

`(3sqrt3q)/(4piin_(0)d^(2))`

B

`(sqrt3q)/(piin_(0)d^(2))`

C

`(2sqrt3q)/(piin_(0)d^(2))`

D

`(sqrt3q)/(piin_(0)d^(2))`

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