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

Last updated: 6/13/2023

A thick shell with inner radius R and outer radius 3R has a uniform charge density o c m It has a spherical cavity of radius R as shown in the figure The electric field at the centre of the cavity is 1 zero 3 30R 48 3R Cavity 2 20R 80 4 70R 1280