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NCERT CBSE CLASS 12 PHYSICS CHAPTER WISE MCQ

Welcome to your Chapter 5 Magnetism and Matter MCQs

1. 
Which among the following is not attracted by magnets?
2. 
Give the SI unit of magnetic dipole moment.
3. 
Which of the following is a natural magnet?
4. 
A magnet can only repel another magnet. So, ‘X’ is a surer test of magnetism. Identify X.
5. 
A bar magnet of the magnetic moment 5 Am² has poles 20 cm apart. Calculate the pole strength.
6. 
Which of the following is the definition for magnetic meridian of Earth?
7. 
At a given place on the Earth’s surface, the horizontal component of Earth’s magnetic field is 9 × 10-5 T and the resultant magnetic field is 180 × 10-6. Calculate the angle of dip at this place.
8. 
When is the angle of dip at a place equal to 45°?
9. 
What is the torque exerted by a bar magnet on itself due to its field?
10. 
When does a magnetic dipole possess maximum potential energy inside a magnetic field?
11. 
Calculate the surface integral of a magnetic field over a surface.
12. 
Which among the following is the source of the magnetic field (magnetism)?
13. 
The line of force in a magnetic field represents the direction at each point that a magnetic needle placed at the point takes up. Do they also represent the direction of the force on a moving charge at each point?
14. 
Which among the following has a relative permeability much larger than 1?
15. 
Arrange the following in the increasing order of magnetic susceptibility.
16. 
Identify the expression for Curie’s constant from the following.
17. 
Find the true statement.
18. 
Pick out the expression for intensity of magnetization from the following.
19. 
Find the false statement.
20. 
Which of the following independent quantities is not used to specify the earth’s magnetic field?

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