Three point charges q-2q and -2q are pla...

Three point charges q-2q and -2q are placed at the vertices of an equilateral triangle of side a . The work done by some external force to increase their separation to 2a will be

A

`1/4piepsilon_0(2q^2)/a`

B

Negative

C

zero

D

`1/4piepsilon_0(3q^2)/a`

Text Solution

Verified by Experts

The correct Answer is:

C

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