Column I Column II
A. Inside a conductor placed in an external electric field 1. Potential energy = 0
B. At the centre of a dipole 2. Electric field = 0
C. Dipole in stable equilibrium 3. Electric potential = 0
D. Electric dipole perpendicular to the uniform electric field 4. Torque = 0
Answer:A
Column I Column II
A. Inside a conductor placed in an external electric field 1. Potential energy = 0 B. At the centre of a dipole 2. Electric field = 0 C. Dipole in stable equilibrium 3. Electric potential = 0 D. Electric dipole perpendicular to the uniform electric field 4. Torque = 0