19 There are four concentric shells A B C D of radii a 2a 3a

Last updated: 6/7/2023

19 There are four concentric shells A B C 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 1 3 kq 12a kq 4a 2 4 kq 3a kq 6a k 1 4 EO