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

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

A

0

B

`(4q)/d`

C

`(4q)/q`

D

`q/(4q)`

Text Solution

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The correct Answer is:
B
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