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Four point charges each +q is placed on ...

Four point charges each +q is placed on the circumference of a circle of diameter `2 d` in such a way that they form a square. The potential at the centre is

A

0

B

`(4q)/d`

C

`(4d)/q`

D

`(q)/(4d)`

Text Solution

Verified by Experts

The correct Answer is:
B

`V=(4Kq)/dJ//C ` or Volt `=(4q)/d ` ( .C.G.S unit).
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