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Three charges Q+q and + q are placed at ...

Three charges Q+q and + q are placed at the vertices of a right -angle isosceles triangle as shown below. The net eletrostatic energy of the configuration is zero if the value of Q is :

A

`(+q)/( 2 + sqrt(2))`

B

`(-q)/(2 + sqrt(2))`

C

`( +2q)/( 2 + sqrt(2))`

D

`(-2q)/( 2 + sqrt(2))`

Text Solution

Verified by Experts

The correct Answer is:
D
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