Deduce an expression for the potential e...

Deduce an expression for the potential energy of a system of two point charges `q_1` and `q_2` located at positions `r_1` and `r_2` respectively in an external field `(vecE)`

A

`q_1V(r_1)+q_2(r_2)+(q_1q_2)/(4piepsilon_0r_12)`

B

`q_1V(r_1)-q_2(r_2)+(q_1q_2)/(4piepsilon_0r_12)`

C

`q_1V(r_1)+q_2(r_2)-(q_1q_2)/(4piepsilon_0r_12)`

D

`q_1V(r_1)-q_2(r_2)-(q_1q_2)/(4piepsilon_0r_12)`

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The correct Answer is:

D

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