A conducting shell `S_1` having a charge Q is surrounded by an uncharged
Channel: Doubtnut
Date: 2020-07-26

A conducting shell `S_1` having a charge Q is surrounded by an uncharged concentric conducting spherical shell `S_2`. Let the potential difference between `S_1` and that `S_2` be V. If the shell `S_2` is now given a charge `-3Q`, the new potential difference between the same two shells is