Magnetism and Matter Class 12 MCQs Questions with Answers

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

2.  
Which among the following is denoted by δ?

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

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

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. The strength of the earth’s magnetic field is

8. The magnetic field of earth is due to:

9. Tangent law is applicable only when:

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

11. 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:

12. Which of the following has higher magnetic susceptibility?

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

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

16. Magnetic moment for solenoid and corresponding bar magnet is

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

18. Ferrites may be:

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

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