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Three small conducting spheres each of r...

Three small conducting spheres each of radius a and charge q is placed at the corners of an equilateral triangle of side lenth /. The side lenth / is considerably larger than dimensions of the spheres. Find the electrical potential energy of system.

A

`(3q^(2))/(4piepsi_(0))((1)/(2a)+(1)/(/))`

B

`(3q^(2))/(4piepsi_(0)l)

C

`(3q^(2))/(8piepsi_(0)a)`

D

None of these

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