Explore topic-wise MCQs in Physics.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Physics knowledge and support exam preparation. Choose a topic below to get started.

1.

A bar magnet of the magnetic moment 5 Am2 has poles 20 cm apart. Calculate the pole strength.

A. 250 Am
B. 4 Am
C. 100 Am
D. 25 Am
Answer» E.
Discussion
2.

A magnetized needle of the magnetic moment 20 JT-1 is placed at 60o with the direction of the uniform magnetic field of magnitude 9 T. What is the torque acting on the needle?

A. 225 J
B. 625 J
C. 155.8 J
D. 318 J
Answer» D. 318 J
Discussion
3.

A magnetic dipole of length 10 cm has pole strength of 20 Am. Find the magnetic moment of the dipole.

A. 2 Am2
B. 200 Am2
C. 20 Am2
D. 0.2 Am2
Answer» B. 200 Am2
Discussion
4.

A magnet can only repel another magnet. So, ‘X’ is a surer test of magnetism. Identify X.

A. Directive
B. Repulsion
C. Remanence
D. Hysteresis
Answer» C. Remanence
Discussion
5.

Magnetic lines of force always form open loops. State true or false.

A. True
B. False
Answer» C.
Discussion
6.

Which of the following is a natural magnet?

A. Magnetic needle
B. Bar magnet
C. Magnetite
D. Horseshoe magnet
Answer» D. Horseshoe magnet
Discussion
7.

Give the SI unit of magnetic dipole moment.

A. A-2m
B. Am-2
C. A2m
D. Am2
Answer» E.
Discussion
8.

Which of the following is not a basic property of magnets.

A. Magnet exists as a monopole
B. Attractive property
C. Directive property
D. Like poles repel and unlike poles attract
Answer» B. Attractive property
Discussion
9.

Identify the direction in which a thin long piece of magnet comes to rest when suspended freely.

A. East-west
B. North-south
C. Northeast-southeast
D. Northwest-southwest
Answer» C. Northeast-southeast
Discussion
10.

Which among the following is not attracted by magnets?

A. Iron
B. Cobalt
C. Copper
D. Nickel
Answer» D. Nickel
Discussion