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# Physics Magnetism Test 1 Online MCQs

 Test Name Magnetism MCQs Test Subject Physics Test Type MCQs Total Question 20 Total Marks 40 Total Time 20 Mints Test Help For Physics Subject Test Prep. All Admissions Test. All Jobs and recruitment Test prep. Medical Test prep. Engineering Test prep.

Get Physics Magnetism Multiple Choice Questions quiz for Online preparation of written test, interview, MCAT test, admission test and recruitment test. Attempt all the question to get high marks in all the tests for the related topic. Physics Magnetism MCQs Test Online is given below.

## Physics

1. A magnet of magnetic moment M is freely suspended in a constant uniform magnetic field of intensity H. If magnet is deflected by an angle θ from direction of H, the work done is:

Question 1 of 20

2. S.I. unit of magnetic permeability is:

Question 2 of 20

3. Two identical coils carrying same current have common center but have their planes at right angles to each other. If the field due to each coil is B, the resultant will be:

Question 3 of 20

4. The moment of a magnet is 0.1Am² and the force acting on each pole in a uniform magnetic field of 0.36 oersted 1.44 x 10-4 N. The distance between the poles of magnet is:

Question 4 of 20

5. Magnetic potential at a point distant d from a magnetic pole of strength m is:

Question 5 of 20

6. A bar magnet is released into a copper ring directly below it. The acceleration of the magnet will be:

Question 6 of 20

7. The source of magnetic field is:

Question 7 of 20

8. The magnetic moment of a short magnet is 8Am². The magnetic induction 20 cm away from its mid point on the axial line is:

Question 8 of 20

9. A bar magnet is held at right angles to a uniform magnetic field. The couple acting on the magnet is to be halved by rotating it from this position. The angle of rotation is:

Question 9 of 20

10. For between to magnetic poles depends on:

Question 10 of 20

11. Which of the following is not a magnetic substances ?

Question 11 of 20

12. An non magnetic material is that which is:

Question 12 of 20

13. Can a system have magnetic moment even though its net charge is zero?

Question 13 of 20

14. A magnet can be completely demagnetized by:

Question 14 of 20

15. Two magnets have the same length and the same pole strength. But one of the magnets has a small hole at its center. Then

Question 15 of 20

16. Two small magnets, each of magnetic moment 10 Am²are placed in end of position 0.1m apart from their centers. The force acting between them is:

Question 16 of 20

17. Potential at any point on equatorial line of dipole is:

Question 17 of 20

18. A thin magnet is cut into two equal parts by cutting it parallel to its length. If the original time period of vibration is 4 sec, then time period of each part in the same field will be:

Question 18 of 20

19. The line joining a point to the center of a short magnet makes angle θ with the axis. Potential at a point distant d from the center of magnet, on this line is:

Question 19 of 20

20. A steel wire of length l has a magnetic moment M. It is bent into L shape from the middle. The new magnetic moment is:

Question 20 of 20

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