Physics

Problem

The maximum electric field intensity on the axis of a uniformly charged ring of charge

q

and radius

R

will be: (a)

\frac{1}{4\pi\epsilon_0} \frac{q}{3\sqrt{3} R^2}

(b)

\frac{1}{4\pi\epsilon_0} \frac{2q}{3R^2}

(c)

\frac{1}{4\pi\epsilon_0} \frac{2q}{3\sqrt{3} R^2}

(d)

\frac{1}{4\pi\epsilon_0} \frac{3q}{2\sqrt{3} R^2}