Current Electricity – Online MCQs – Physics 10th

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

2. AC changes direction every:

3. Resistance of a conductor does not depend on:

4. When a charge moves through a potential difference,

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

6. If we turn the TV volume down, we’re actually turning up the:

7. Equation of power dissipation in resistors is:

8. Volts is denoted by:

9. The resistance of a wire on increasing its temperature will be:

10. The (K) in Ohm’s law (I = KV) indicated the:

11. In an electric circuit an ammeter is always connected in:

12. The condition for the validity of Ohm’s law is that the:

13. Energy dissipated = ______________

14. Which statement is TRUE for an electric current?

15. If the temperature of a metallic conductor increases, electrical resistance will:

16. 1 ohm = __________

17. In an electric circuit a voltmeter is always connected in:

18. The S.I unit of electric current is:

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

20. A galvanometer can be converted into a voltmeter _________ with the galvanometer.