Depict the orientation of the dipole in (a)stable and (b) unstable equilibrium in a uniform electric field.

Calculate the amount of work done in turning an electric dipole of dipole moment 2xx10^-8 C-m from its position of unstable equilibrium of the position of stable equilibrium in a uniform electric field of intensity 10^3 NC^-1 .

A short bar magnet placed with its axis at 30^@ to a uniform magnetic field of 0.2 T experience a torque of 0.06 Nm. Find out what orientation of the magnet corrsponds to a stable equilibrium in the magnetic field?

A short bar magnet of magnetic moment 0.9 JT^-1 is placed with its axis at 45^@ to a uniform magnetic field. If it experiences a torque of 0.063 J: What orientation of the bar magnet corresponds to the stable equilibrium in the magnetic field?

Prove that the net force acting on an electric dipole, inclined at an angle theta to the uniform electric field vecE is zero. Draw a suitable diagram.

Derive the experiment for the torque acting on an electric field. Identity the orientation of the dipole in the electric field in which it attains a stable equilibrium.