Electric Polarization -Multiple Choice Questions Quiz

Interactive MCQs on “Electric Polarization”:

Solve the following 10 questions. Only one option is correct. Click on the “Submit” button when done. Click on the “embed” button to use this quiz on your website. Click on “WhatsApp” to share this quiz.

Question 1: What is electric polarization?

(a) The process of charging an object
(b) The alignment of electric dipoles in a material in response to an external electric field
(c) The process of removing electric charge from an object
(d) The process of electric discharge

Question 2: What is an electric dipole?

(a) A material with equal amounts of positive and negative charges
(b) A material that cannot be polarized
(c) A material with unbalanced electric charges
(d) A pair of equal and opposite electric charges separated by a small distance

Question 3: Which of the following materials is most likely to exhibit electric polarization?

(a) Conductors
(b) Insulators
(c) Superconductors
(d) Ferroelectric materials

Question 4: What happens to the polarization of a dielectric material when an external electric field is removed?

(a) The polarization disappears immediately.
(b) The polarization remains as it is.
(c) The polarization increases.
(d) The polarization reverses its direction.

Question 5: What is the SI unit of electric polarization?

(a) Coulomb (C)
(b) Volt (V)
(c) Ampere (A)
(d) Coulomb-meter squared per volt (C·m^2/V)

Question 6: In which direction does electric polarization occur in a dielectric material when an external electric field is applied?

(a) In the direction of the external field
(b) Opposite to the direction of the external field
(c) Perpendicular to the direction of the external field
(d) Randomly in different directions

Question 7: Which of the following statements is true about polar and non-polar molecules in a dielectric material?

(a) Only polar molecules can be polarized.
(b) Only non-polar molecules can be polarized.
(c) Both polar and non-polar molecules can be polarized.
(d) Neither polar nor non-polar molecules can be polarized.

Question 8: What type of materials exhibit permanent electric polarization even in the absence of an external electric field?

(a) Conductors
(b) Insulators
(c) Dielectrics
(d) Ferroelectric materials

Question 9: What phenomenon occurs in ferroelectric materials when an external electric field is applied and the polarization reaches a maximum value?

(a) Saturation polarization
(b) Spontaneous polarization
(c) Remnant polarization
(d) Induced polarization

Question 10: How does electric polarization affect the capacitance of a capacitor with a dielectric material between its plates?

(a) It increases the capacitance.
(b) It decreases the capacitance.
(c) It does not affect the capacitance.
(d) It makes the capacitor non-functional.