A point charge `Q` is placed outside a hollow spherical conductor of radius `R` , at a distance `r (r gt R)` from its centre `C` . The field at `C` due to the inducted charges on the conductor is

A point charge Q is placed outside a hollow spherical conductor of radius R , at a distance r (r gt R) from its centre C . The field at C due to the induced charges on the conductor is

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 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

The potential of a charged spherical conductor of radius r is 10V. The potential at a point (r )/(2) from its centre is

A test charge q_0 is placed at the centre of a spherical conductor of radius R. A charge Q is placed on the spherical conductor, What will be electrostatic force on the conductor due to q_0

A point charge Q is situated (outside) at a distance r from the centre of an uncharged conducting solid sphere of radius R. The potential due to induced charges (on the conductor) at a point B inside the conductor whose distance form the point charge is d is ______

A point charge Q is situated (outside) at a distance r from the centre of an uncharged conducting solid sphere of radius R. The potential due to induced charges (on the conductor) at a point B inside the conductor whose distance form the point charge is d is ______