Electromagnetism – Online MCQs – Physics 10th

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

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

3. 1 Tesla = _________________

4. An AC generator is an electric generator that converts:

5. It is responsible for forcing positively charged atomic nuclei to attract negatively charged electrons.

6. When a current passes through a conductor, it produces:

7. If the secondary voltage is lower than the primary voltage, the transformer is called a:

8. The magnetic field is the strongest:

9. If we increase the number of loops, the turning effect of a coil would be:

10. The presence of a magnetic field can be detected by a:

11. The direction of the induced current is given by:

12. Which statement is true about the magnetic poles?

13. If the current in a wire is placed perpendicular to a magnetic field _________ the force on the wire:

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

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

16. In the transformer, if the secondary voltage is more than the primary voltage then it is called:

17. The earth’s magnetic field is:

18. The direction of induced e.m.f. in a circuit is in accordance with the conservation of:

19. We apply Lenz’s law to find out the direction of:

20. The power is transmitted over long distances with high voltage to: