Magnetism and Matter Class 12 MCQs Questions with Answers

1. What is the angle of dip at a place where the horizontal component of earth’s magnetic field is equal to the vertical component?

2. Let the magnetic field on earth be modelled by that of a point magnetic dipole at the centre of earth. The angle of dip at a point on the geographical equator is

3. The neutral point in the magnetic field of a horizontally placed bar magnet is a point where the magnetic field due to that bar magnet is:

4. The strength of the earth’s magnetic field is

5. The magnetic field of earth is due to:

6. A current carrying power line carries current from west to east. What will be direction of magnetic field 1 meter above it?

7. Which of the following is not showing the essential difference between electrostatic shielding by a conducting shell and magnetostatic shielding?

8.  
Which among the following is denoted by δ?

9. Magnetic moment for solenoid and corresponding bar magnet is

10. Which of the following property shows the property of ferromagnetic substances?

11. The Mariner’s compass is provided with Gimbals arrangement so as to :

12. The primary origin(s) of magnetism lies in

13. Ferrites may be:

14. Tangent law is applicable only when:

15. The radius of curvature of the path of charged particle in a uniform magnetic file is directly proportional to the

16. Which of the following has a low value in ferrites?

17. If the magnetising field on a ferromagnetic material is increased, its permeability.

18. Which of the following has higher magnetic susceptibility?

19. The Mariner’s compass is provided with Gimbals arrangement so as to :

20. The earth behaves as a magnet with magnetic field pointing approximately from the geographic