37 A thick shell with inner radius R and outer radius 3R has

Last updated: 5/28/2023

37 A thick shell with inner radius R and outer radius 3R has uniform density p c m It has a spherical cavity of radius R as shown in the figure The electric field at the centre 0 of the cavity then the value of a is XXX XX X X 4 XXX XX 0 X R 13R apR is 1280 ostane