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Three equal charges Q are placed at the ...

Three equal charges `Q` are placed at the three vertices of an equilateral triangle. What should be the va,ue of a charge, that when placed at the centroid, reduces the interaction energy of the system to zero ?

A

`(-Q)/(2)`

B

`(-Q)/(3)`

C

`(-Q)/(2 sqrt(3))`

D

`(-Q)/(sqrt(3))`

Text Solution

Verified by Experts

The correct Answer is:
D
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