MEDIUM
12th Odisha Board
IMPORTANT
Earn 100

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

Important Questions on Magnetostatics

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 AB is cut into two equal parts. One part is kept over the other, so that pole C2 is above C1. If M is the magnetic moment of the original magnet, what would be the magnetic moment of the combination, so formed?

 

 

 

MEDIUM
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 4 - Magnetostatics>MODEL QUESTIONS>Q 1
Find the force between two poles of strength 4Am and 9Am placed at a distance 6.0 cm apart.
MEDIUM
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 4 - Magnetostatics>MODEL QUESTIONS>Q 2
Two poles one of which is 4 times as strong as the other exert on each other a force equal to 50 N when placed 10cm apart. Find the strength of each poles.
HARD
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 4 - Magnetostatics>MODEL QUESTIONS>Q 3
A short bar magnet placed with its north pole pointing south has a neutral point at 12.6cm from its mid-point. If the poles are reversed, find the distance of a neutral point.
HARD
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 4 - Magnetostatics>MODEL QUESTIONS>Q 4
Horizontal and vertical components of earth magnetic field at a place are 36μT and 18μT respectively. Find angle of dip and earth's resultant magnetic field?
HARD
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 4 - Magnetostatics>MODEL QUESTIONS>Q 5
The magnetic field B and magnetic intensity H in a material are found to be 2T and 500Am-1 respectively. Calculate relative permeability and susceptibility of the material.
HARD
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 4 - Magnetostatics>MODEL QUESTIONS>Q 6
A bar magnet of moment 10 Am2 is bent 90° at its mid point. What is the magnetic moment of the bent magnet?