Current Electricity – Online MCQs – Physics 10th

1. AC changes direction every:

2. Ohm’s law states that:

3. Heat produced in a conductor can be calculated by Joule’s heat law:

4. The length of g conductor is halved. Its resistance will be:

5. The resistance of a metal increases with increasing temperature because:

6. The condition when the resistance of a circuit is zero is known as:

7. Current is a:

8. When a charge moves through a potential difference,

9. Two resistances of 6 Ω and 12 Ω are connected in parallel. Their net resistance is:

10. Electrical power is measured in units of:

11. It is an electrical component that converts one form of energy int another form of energy.

12. In a centimetre-gram-second (CCS) system the unit of EMF is:

13. S.I unit of resistance is:

14. When current flows from the positive terminal to the negative terminal of the battery is called:

15. In an electric circuit when electrons move from low to the high potential they will:

16. Conductance is reciprocal of:

17. Which of the following statements is TRUE?

18. Which of the following is NOT equivalent to watt?

19. A current that always flows in one direction only is called:

20. Which statement is TRUE for the conductance of a conductor (K)?