190 There are four concentric shells A B C and D of radii a

Last updated: 6/7/2023

190 There are four concentric shells A B C and D of radii a 2a 3a and 4a respectively Shells B and D are given charges q and q respectively Shell C is now earthed The potential difference VA Vc is take K 1 4TE 0 a Kq 2a 4a 91 A solid conducting sphere having a cho Kq 3a b Kq c d Kq 6a