Magnetism and Matter Multiple Choice Questions and Answers for Practice

Magnetism and Matter MCQ Questions for Practice

16. The net magnetic flux through any closed surface, kept in a magnetic field is

17. The material suitable for making electromagnets should have

18. The Mariner's compass is provided with Gimbals arrangement so as to :

19. The magnetic lines of force inside a bar magnet:

20. The magnetic field strength due to a short bar magnet directed along its axial line at a distance r is B. What is its value at the same distance along the equatorial line?

21. The magnetic field of earth is due to:

22. The magnetic field at the centre of a current carrying circular loop is B. If the radius of the loop is doubled keeping the current unchanged, the magnetic field at the centre of loop will become:

23. The force between two parallel wire 2 × 10-7 Nm-1, placed 1 m apart to each other in vacuum. The electric current flowing through the wires is:

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

25. The dimensional representation of magnetic flux density is :

26. The angle of dip at a certain place where the horizontal and vertical components of the earth's magnetic field are equal is

27. Tangent law is applicable only when:

28. S.I. unit of flux is :

29. On quadrupling the moment of inertia of a magnet, its frequency of oscillation will become:

30. Magnetic moment for solenoid and corresponding bar magnet is

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Multiple Choice Questions and Answers on Magnetism and Matter

Magnetism and Matter Multiple Choice Questions and Answers

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