Question

Find the electric field at the symmetric centre. There is no charge at point P.

• A. $\frac{kq}{a^2}$
• B. $2\frac{kq}{a^2}$
• C. $3\frac{kq}{a^2}$
• D. $2\sqrt{2}\frac{kq}{a^2}$

Answer 1

The correct option is C $3\frac{kq}{a^2}$