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A hexagon of side 8 cm has a charge 4 mu...

A hexagon of side 8 cm has a charge `4 muC` at each of its vertices. The potential at the centre of the hexagon is

A

Zero

B

`(KQ)/a ` Volts

C

`12 (KQ)/a`

D

`6 (KQ)/a`

Text Solution

Verified by Experts

The correct Answer is:
D
`V=6 [(KQ)/(a)] , r =a`
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