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Four electric charges +q,+q,-q and -q ar...

Four electric charges `+q,+q,-q and -q` are placed at the corners of a square of side `2L`. The electric potential at point A, midway between the two charges `+q and +q` is

A

Zero

B

`(1/4piepsilon_0)(2q/L)(1+sqrt5) `

C

`1/4piepsilon_0)(2q/L)(1+(1/sqrt5))`

D

`(1/4piepsilon_0)(2q/L)(1-(1/sqrt5))`

Text Solution

Verified by Experts

The correct Answer is:
D
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