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Three charges -1, +q and +q are situated...

Three charges -1, +q and +q are situated in x-y plane at points (0, -a)(0,0) and (0, a) respectively. The potential at a point distant `r(r gt a)` in a direction making an angle `theta` from y - axis will be

A

`(kq)/(r )`

B

`(kq)/(r^(2))(2a cos theta)`

C

`(kq)/(r )(1+(2 a cos theta)/(r ))`

D

`(kq)/(a)`

Text Solution

Verified by Experts

The correct Answer is:
C
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