PhysicsMedium56×since 2002Q6142Capacitance of an isolated conducting sphere of radius R₁ becomes n times when it is enclosed by a concentric conducting sphere of radius R₂ connected to earth. The ratio of their radii (R2R1)\left( {{{{R_2}} \over {{R_1}}}} \right)(R1R2) is :Ann−1{n \over {n - 1}}n−1nB2n2n+1{{2n} \over {2n + 1}}2n+12nCn+1n{{n + 1} \over n}nn+1D2n+1n{{2n + 1} \over n}n2n+1Check answerSkip