Explore topic-wise MCQs in Physics.

This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Physics knowledge and support exam preparation. Choose a topic below to get started.

1.

Pick out the material that cannot be used to make permanent magnets.

A. Copper
B. Aluminum
C. Steel
D. Zinc
Answer» E.
2.

Soft iron is used in the cores of transformers.

A. True
B. False
Answer» B. False
3.

Pick out the temperature at which iron becomes paramagnetic?

A. 800 C
B. 700 C
C. 600 C
D. 500 C
Answer» B. 700 C
4.

Identify the expression for Curie s constant from the following.

A. <sub>m</sub> = C T
B. <sub>m</sub> = C 2T
C. <sub>m</sub> = ( frac {C}{T} )
D. <sub>m</sub> = ( frac {C}{2T} )
Answer» D. <sub>m</sub> = ( frac {C}{2T} )
5.

Arrange the following in the increasing order of magnetic susceptibility.

A. Paramagnetic &lt; Diamagnetic &lt; Ferromagnetic
B. Paramagnetic &lt; Ferromagnetic &lt; Diamagnetic
C. Ferromagnetic &lt; Paramagnetic &lt; Diamagnetic
D. Diamagnetic &lt; Paramagnetic &lt; Ferromagnetic
Answer» E.
6.

Aluminum is a diamagnetic material.

A. True
B. False
Answer» C.
7.

Which among the following has a relative permeability much larger than 1?

A. Diamagnetic materials
B. Ferromagnetic materials
C. Paramagnetic materials
D. Ferrimagnetic materials
Answer» C. Paramagnetic materials
8.

Which one of the following, when suspended freely, slowly sets itself parallel to the direction of the magnetic field?

A. Ferromagnetic materials
B. Diamagnetic materials
C. Paramagnetic materials
D. Ferrimagnetic materials
Answer» D. Ferrimagnetic materials
9.

Which one of the following is feebly repelled by a magnet?

A. Diamagnetic materials
B. Paramagnetic materials
C. Ferromagnetic materials
D. Ferrimagetic materials
Answer» B. Paramagnetic materials