Question

$ABC$ is an equilateral triangle. Charges $+q$ are placed at each corner. The electric field intensity at the centroid of triangle will be

• A. $\frac{1}{4Ï€{Î\mu }_0}×\frac{q}{r^2}$
• B. $\frac{1}{4Ï€{Î\mu }_0}×\frac{3q}{r^2}$
• C. $\frac{1}{4Ï€{Î\mu }_0}×\frac{q}{r}$
• D. Zero

Answer 1

Answer: (D)

$F_N=0$