A spherical shell of radius `R = 1.5 cm` has a charge `q = 20muC` uniformly distributed over it. The force exerted by one half over the other half is

A thin conducting spherical shell of radius R has a charge Q which is uniformly distributed on its surface . The correct plot for electroistatic potential due to this spherical shell is ………… .

A spherical shell of radius R has a uniformly distributed charge ,then electric field varies as

A spherical shell of radius R has a uniformly distributed charge ,then electric field varies as

A thin spherical shell radius of R has a charge Q uniformly distributed on it. At the centre of the shell, a negative point charge -q is placed. If the shell is cut into two identical hemispheres, still equilibrium is maintained. Then find the relation between Q and q?

A solid sphere of radius R has charge q uniformly distributed over its volume. The distance from it surfce at which the electrostatic potential is equal to half of the potential at the centre is