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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 an equilateral triangle of side `l` as shown in the figure. If the net electrostatic energy of the system is zero, then Q is equal to

A

`-q`

B

`(q)/(2)`

C

`-2q`

D

`(-q)/(2)`

Text Solution

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The correct Answer is:
D
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