Give expression for 'potential energy' of charge 'q' at a distance 'r' in an external electric filed ?

Calculate potential energy of a magnetic dipole in a magnetic field.

Define the term potential energy of charge q at a distance r in an external electric field.

Derive an expression for potential energy of a bar magnet when placed in an external magnetic field.

Dipole in external electric field and its application

Derive an expression for potential energy of an electric dipole in a uniform electric field. In which situation, the potential energy fo dipole is (i) maximum and (ii) minimum.

Explain oogenesis with the help of a neat labelled diagram

Define the term potential energy of charge q at a distance r in an external electric dipole ?

Define the term 'potential energy' of charge 'q' at a distance 'y in an external electric field.

Find the expression of torque acting on an electric dipole placed in a uniform electric field . Using the above obtained expression of torque find the expression for potential energy of electric dipole kept in the uniform electric field . Assume potential energy of electric dipole to be zero when its axis is perpendicular to the externally applied electric field .