What will happen if a diamagnetic bar is suspended in a uniform magnetic field?

Important Questions on Magnetostatics

HARD

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Physics Class 12>Chapter 4 - Magnetostatics>MODEL QUESTIONS>Q 20

When two magnetic poles of different pole strengths are placed at a distance of

3 cm

from each other in the air, the effective force acting between them is

\frac{4}{3} CGS units

. Find the pole strength for both if their sum is

7 CGS units

.

EASY

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Physics Class 12>Chapter 4 - Magnetostatics>MODEL QUESTIONS>Q 21

How does the (i) pole strength of each part of a bar magnet change if it is cut into equal pieces transverse to length?

MEDIUM

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Physics Class 12>Chapter 4 - Magnetostatics>MODEL QUESTIONS>Q 21

How does the (ii) magnetic moment of each part of a bar magnet change if it is cut into equal pieces transverse to length?

MEDIUM

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Physics Class 12>Chapter 4 - Magnetostatics>MODEL QUESTIONS>Q 22

The magnetic lines of force prefer to pass through iron than air. Explain why?

HARD

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Physics Class 12>Chapter 4 - Magnetostatics>MODEL QUESTIONS>Q 23

A hypothetical bar magnet $(A B)$ is cut into two equal parts. One part is kept over the other, so that pole $C_{2}$ is above $C_{1}$ . If $M$ is the magnetic moment of the original magnet, what would be the magnetic moment of the combination, so formed?