Ferrimagnetism -Multiple Choice Questions Quiz

Interactive MCQs on “Ferrimagnetism”:

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 ferrimagnetism?

(a) The ability of a material to retain its magnetic properties after being magnetized
(b) The attraction of a material to a magnetic field
(c) The alignment of magnetic moments in the same direction
(d) The presence of both antiparallel and non-zero net magnetic moments in a material

Question 2: In ferrimagnetic materials, the antiparallel alignment of magnetic moments leads to:

(a) A strong magnetic attraction
(b) A weak magnetic attraction
(c) Magnetic repulsion
(d) Zero net magnetic moment

Question 3: What is the key difference between ferrimagnetism and ferromagnetism?

(a) Ferromagnetic materials have higher Curie temperatures.
(b) Ferrimagnetic materials have a net magnetic moment, while ferromagnetic materials do not.
(c) Ferrimagnetic materials have random magnetic moment orientations, while ferromagnetic materials have aligned moments.
(d) Ferromagnetic materials only exist in nature, while ferrimagnetic materials are synthetic.

Question 4: What is the origin of ferrimagnetism in materials?

(a) The presence of unpaired electrons in the d orbitals of atoms
(b) The arrangement of atoms in a cubic crystal lattice
(c) The absence of magnetic domains
(d) The interaction between neighboring magnetic moments of different magnitudes

Question 5: Which of the following materials exhibits ferrimagnetic behavior?

(a) Iron (Fe)
(b) Nickel (Ni)
(c) Magnetite (Fe3O4)
(d) Aluminum (Al)

Question 6: What is the Curie temperature in ferrimagnetic materials?

(a) The temperature at which the material loses its magnetic properties
(b) The temperature at which the magnetic moments align parallel to each other
(c) The temperature at which the magnetic moments align antiparallel to each other
(d) The temperature at which the material becomes a superconductor

Question 7: How does the magnetic ordering change with temperature in a ferrimagnetic material?

(a) The magnetic ordering becomes stronger with increasing temperature.
(b) The magnetic ordering remains constant at all temperatures.
(c) The magnetic ordering weakens with increasing temperature until the Curie temperature is reached.
(d) The magnetic ordering switches between ferromagnetic and antiferromagnetic at different temperatures.

Question 8: What is the net magnetic moment in a ferrimagnetic material with antiparallel alignment of magnetic moments?

(a) Zero
(b) Positive
(c) Negative
(d) Random

Question 9: What is the role of the crystal structure in ferrimagnetism?

(a) It determines the size of the net magnetic moment.
(b) It affects the Curie temperature of the material.
(c) It allows for the alignment of magnetic moments.
(d) It provides a symmetric lattice arrangement.

Question 10: Which of the following is NOT a property of ferrimagnetic materials?

(a) Non-zero net magnetic moment
(b) Presence of magnetic domains
(c) Weak magnetic attraction
(d) Parallel alignment of magnetic moments