Electric Charge...

An electric dipole is placed at an angle of 30 °with an electric field intensity 2 x 10⁵ N C^–1 .It experiences a torque equal to 4 N m. The charge on the dipole, if the dipole length is 2 cm, is

A   spherical conductor of radius 10 cm has a charge of 3.2 x 10^–7 C distributed uniformly. What is the magnitude of electric field at a point 15 cm from the centre of the sphere?

Ionization of a neutral atom is the  

A hollow cylinder has a charge q coulomb within it. If f φis the electric flux in units of volt meter associated with the curved surface B, the flux linked with the plane surface A in units of V-m will be  

A charge Q is situated at the corner of a cube, the electric flux passed through all the six faces of the cube is

The electrostatic force is:

A point charge + q is placed at the centre of a  cube of side l. The electric flux emerging from the cube is

A hollow metal sphere of radius R is uniformly charged. The electric field due to the sphere at a distance r from the centre

Conductors are materials  

The electric field at a distance 3R/2  rom the centre of a charged conducting spherical shell of radius R is E. The electric field at a distance R/2  from the centre of  the sphere is