Charge is at the centre of a circular path with radius

PHYSICS · Single correct · CBSE · Physics · Electrostatic Potential and Capacitance · Electrostatic Potential and Capacitance

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}

(b)

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