A point charge Q is placed inside a conducting spherical shell of inner radius 3R and outer radius 5R at a distance R from the centre of the shell. The electric potential at the centre of the shell will be

A point charge q is placed inside a conducting spherical shell of inner radius 2R and outer radius 3R at a distance of R fro the centre of the shell. The electric potential at the centre of shell will (potential at infinity is zero).

A point charge q is placed inside a conducting spherical shell of inner radius 2R and outer radius 3R at a distance of R fro the centre of the shell. The electric potential at the centre of shell will (potential at infinity is zero).

A point charge q is placed inside a conducting spherical shell of inner radius 2 R and outer radius 3 R at a distance of R from the center of the shell. Find the electric potential at the center of the shell.

A point charge q is placed at a distance of r from the centre O of an uncharged spherical shell of inner radius R and outer radius 2R.The distance r lt R .The electric potential at the centre of the shell will be

A point charge q is placed at a distance of r from the centre O of an uncharged spherical shell of inner radius R and outer radius 2R. The electric potential at the centre of the shell will be

A point charge q is placed at a distance of r from the centre O of an uncharged spherical shell of inner radius R and outer radius 2R. The electric potential at the centre of the shell will be

A charge +q is placed somewhere inside the cavity of a thick conducting spherical shell of inner radius R_(1) and outer radius R_(2) . A charge – Q is placed at a distance r gt R_(2) from the centre of the shell. Then the electric field in the hollow cavity-

A point charge +q is placed at the centre of a conducting spherical shell of inner radius a and outer radius b. Find the charge appearing on the inner and outer surface of the shell.