MCQ
$ABC$ is an equilateral triangle. Charges $ + \,q$ are placed at each corner. The electric intensity at $O$ will be
- A$\frac{1}{{4\pi {\varepsilon _0}}}\frac{q}{{{r^2}}}$
- B$\frac{1}{{4\pi {\varepsilon _0}}}\frac{q}{r}$
- ✓Zero
- D$\frac{1}{{4\pi {\varepsilon _0}}}\frac{{3q}}{{{r^2}}}$
