As shown in fig. charges +,q and -,q are placed at vertices B and C of an isosceles triangle. potent

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1. Electric Charges and Fields

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As shown in the fig. charges $+\,q$ and $-\,q$ are placed at the vertices $B$ and $C$ of an isosceles triangle. The potential at the vertex $A$ is

A

$\frac{1}{{4\pi { \in _0}}}.\frac{{2q}}{{\sqrt {{a^2} + {b^2}} }}$

B

zero

C

$\frac{1}{{4\pi { \in _0}}}.\frac{{q}}{{\sqrt {{a^2} + {b^2}} }}$

D

$\frac{1}{{4\pi { \in _0}}}.\frac{{-q}}{{\sqrt {{a^2} + {b^2}} }}$

Solution

Standard 12

Physics

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