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Five charges each equal to q are palced...

Five charges each equal to q are palced at the five corners, A,B,C,D and E of a regular hexagon ABCDEF of side a. Then the electric intensity at he centre O of the hexagon is

A

`q/(4 p e_(0)a^(2) `along `vec(OF)`

B

`q/(4 p e_(0)a^(2))` along`vec(FO)`

C

`q/(4 p e_(0)3a^(2))` along `vec(OF)`

D

`(5q)/(4 pi e_(0)a^(2))` along `vec(OF)`

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The correct Answer is:
A
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