A solid sphere of radius has volume charge density

PHYSICS · Single correct · CBSE · Physics · Electric Charges and Fields · Electric Charges and Fields

Problem

A solid sphere of radius

R

has volume charge density

\rho=\rho_0r^2

, where

\rho_0

is a constant and

r

is the distance from the centre. At a distance

x

from its centre, where

x<R

, the electric field is directly proportional to (a)

\frac{1}{x^2}

(b)

\frac{1}{x}

(c)

x^3

(d)

x^2