Electric Dipole Moment -Multiple Choice Questions Quiz

Question 1: What is an electric dipole moment?

(a) The separation between two positive charges
(b) The separation between two negative charges
(c) The product of charge and distance between positive and negative charges
(d) The product of charge and distance between like charges

Question 2: In which direction does the electric dipole moment vector point in an electric dipole?

(a) From negative to positive charge
(b) From positive to negative charge
(c) Along the direction of electric field lines
(d) Perpendicular to the electric field lines

Question 3: What happens to the electric dipole moment of an electric dipole when the magnitude of the charges increases?

(a) The dipole moment decreases.
(b) The dipole moment remains unchanged.
(c) The dipole moment increases.
(d) The dipole moment becomes zero.

Question 4: What is the SI unit of electric dipole moment?

(a) Coulomb (C)
(b) Volt (V)
(c) Ampere (A)
(d) Coulomb-meter (C·m)

Question 5: Under which condition is the electric dipole moment of an electric dipole maximum?

(a) When the charges are equal and opposite
(b) When the charges are equal and of the same sign
(c) When the distance between the charges is maximum
(d) When the distance between the charges is minimum

Question 6: What happens to the electric dipole moment of an electric dipole when the distance between the charges increases?

(a) The dipole moment decreases.
(b) The dipole moment remains unchanged.
(c) The dipole moment increases.
(d) The dipole moment becomes zero.

Question 7: What is the total electric dipole moment of a system composed of multiple electric dipoles?

(a) The sum of the magnitudes of individual dipole moments
(b) The arithmetic average of individual dipole moments
(c) The difference between individual dipole moments
(d) The vector sum of individual dipole moments

Question 8: In an electric field, in which direction does an electric dipole experience a net torque?

(a) Parallel to the electric field
(b) Perpendicular to the electric field
(c) Opposite to the electric field
(d) Randomly in different directions

Question 9: What type of potential energy is associated with an electric dipole placed in an external electric field?

(a) Gravitational potential energy
(b) Elastic potential energy
(c) Magnetic potential energy
(d) Electric potential energy

Question 10: Which of the following configurations represents an electric dipole?

(a) Two positive charges placed close to each other
(b) Two negative charges placed close to each other
(c) A positive charge and a negative charge placed close to each other
(d) Two positive charges and two negative charges placed close to each other

Results:

Total score: /10

Answer key:

Question 1: c

Question 2: a

Question 3: c

Question 4: d

Question 5: a

Question 6: c

Question 7: d

Question 8: b

Question 9: d

Question 10: c

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