Two concentric spherical shells fo radill R and 2R are given  charges `Q_(1) and Q_(2)` respectively
Channel: Doubtnut
Date: 16/08/2020

Two concentric spherical shells fo radill R and 2R are given  charges `Q_(1) and Q_(2)` respectively.  The surfaces charge densities of the outer surfaces are equal. Determine the ratio `Q_(1) : Q_(2)`.