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

Last updated: 6/9/2023

68 There are four concentric shells A B C and D of radii a 2a 3a and 4a respectively Shells Band Dare given charges q and q respectively Shell C is now earthed The potential difference VA VC is Kq a c 2a Kq 4a b d Kq 3a Kq 6a