Three equal charges $q$ esu are placed at the vertices of an equilateral triangle of side a cm . The

Question

Three equal charges $q$ esu are placed at the vertices of an equilateral triangle of side a cm . The net potential at the centre of the triangle is\

Professor PC Thomas Classes · Answer

\ $\mathrm{V}=3 	imes \frac{1}{4 \pi \varepsilon_{0}} \frac{\mathrm{a}}{\mathrm{r}} \quad \mathrm{r}=\frac{\mathrm{a}}{\sqrt{3}}$\