Two spherical conducting shells of radii R and 2R is filled

Last updated: 6/8/2023

Two spherical conducting shells of radii R and 2R is filled with material of resistivity p The strength 3R 2 of electric field at r from centre when a battery is connected as shown is 1 3 16V 3R 8V 9R 2R 2V 2 3R 4 4V 3R