An polaroid long cylindrical object with radius R has a charge distribution that depends
Channel: Doubtnut
Date: 2020-04-12

An polaroid long cylindrical object with radius R has a charge distribution that depends upon distance r from the axis like this : `rho = ar + br^(2)(r le R`, a and b are non zero constant, `rho` is volume charge density). If electric field outside the cylinder is zero than value of `(a)/(b)` is :