Physics

Problem

Charge

q_2

is at the centre of a circular path with radius

r

. Work done in carrying charge

q_1

, once around this equipotential path, would be: a.

\frac{1}{4\pi\epsilon_0} \times \frac{q_1 q_2}{r^2}

\frac{1}{4\pi\epsilon_0} \times \frac{q_1 q_2}{r}

c. Zero d. Infinite