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.

`(sqrt(3)q)/(piepsilon_(0)d^(2))`

`(2sqrt(3)q)/(piepsilon_(0)d^(2))`

`(sqrt(3)q)/(4piepsilon_(0)d^(2))`

`(3sqrt(3)q)/(4piepsilon_(0)d^(2))`

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