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

The electric intensity of outside a charged sphere of radius R at a distance r (r gt R) 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 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 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 hollow spherical conductor of radius "1m" has a charge of 250 mu C then electric intensity at a point distance of "0.5m" from the centre of the spherical conductor is

A point charge Q is located at the centre of a hollow spherical conductor having inner radius as R_(1) and outer radius R_(2) . The conductor being uncharged initially. The potential at the inner surface will be

A point charge q is placed at the origin . How does the electric field due to the charge very with distance r from the origin ?