Two isolated charged conducting spheres of radii and produce the same electric field…

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

Problem

Two isolated charged conducting spheres of radii

a

and

b

produce the same electric field near their surfaces. The ratio of electric potentials on their surfaces is (a)

\frac{a}{b}

(b)

\frac{b}{a}

(c)

\frac{a^2}{b^2}

(d)

\frac{b^2}{a^2}