Electromagnetism – Online MCQs – Physics 10th

1. In the MKS system, the unit of magnetic flux density is:

2. The magnetic force experienced by a charged particle moving in a magnetic field will be minimum when it moves:

3. As per Michael Faraday, the force is increased if the:

4. Which statement is true about the magnetic poles?

5. To increase or decrease AC voltages, we use:

6. A practical application of mutual induction is called:

7. The magnetic field around a magnetic moving charge is a:

8. A current carrying coil kept in a magnetic field experiences a torque which is zero when the:

9. The direction of induced current in a circuit is always such that it opposes the cause that produces it. This law was presented by:

10. When a magnet is in motion relative to a coil the induced e.m.f. does not depend upon:

11. When electric charges are at rest, they exert:

12. Which statement is NOT TRUE for transformers?

13. The production of induced current in one coil due to the current in the neighbouring coil is called:

14. A conductor of length L has current I passing through it when it is placed parallel to a magnetic field. The force experienced by the conductor will be:

15. At the generating station, the AC voltage is:

16. The magnetic field is the strongest:

17. The magnetic field direction around a current-carrying conductor can be determined using the Flemings

18. Tesla is equivalent to one:

19. There are _________ fundamental forces in nature.

20. The force F acting on the particle is directly proportional to the