Question

when is an electric dipole in an electric field
a) in stable equilibrium
b) in unstable equilibrium ​

Answer 1

Answer:

When is an electric dipole in an electric field in stable equilibrium.

Answer 2

Answer:

• The dipole in an electric field will be in stable equilibrium if the following conditions are satisfied: The torque on the dipole is zero, i.e., there is no rotatory motion of dipole. The resultant force on dipole is zero, i.e., there is no translatory motion of dipole. The potential energy of dipole is minimum
• for unstable equilibrium, potential energy is maximum at equilibrium position. A dipole in a uniform electric field is in stable or unstable equilibrium according as the angle between the dipole and electric field is 0 or 180.

Explanation:

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