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Five point charge (+q each) are placed a...

Five point charge (`+q` each) are placed at the five vertices of a regular hexagon of side `2a`.what is the magnitude of the net electric field at the centre of the hexazon?

A

`(1)/( 4pi epsilon_(0))(q)/(a^(2))`

B

`(q)/( 2pi epsilon_(0)a^(2))`

C

`( 5q)/( 4 pi epsilon_(0)a^(2))`

D

`(5q)/( 2pi epsilon_(0)a^(2))`

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