Magnetism and Matter Class 12 MCQs Questions with Answers

1. Magnetic moment for solenoid and corresponding bar magnet is

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

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

4. Which of the following has higher magnetic susceptibility?

5. The Mariner’s compass is provided with Gimbals arrangement so as 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. What is the angle of dip at a place where the horizontal component of earth’s magnetic field is equal to the vertical component?

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

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

10. 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:

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

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

13. 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

14. Tangent law is applicable only when:

15. Ferrites may be:

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

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

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

19.  
Which among the following is denoted by δ?

20. The magnetic field of earth is due to: