Current Electricity – Online MCQs – Physics 10th

1. Which one of these is an example of non-ohmic devices?

2. Reciprocal of resistivity is called:

3. S.I unit of resistance is:

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

5. Energy dissipated = ______________

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

7. AC changes direction every:

8. S.I unit of EMF is:

9. Mathematically Ohm’s law can be written as:

10. frequency of alternating current is:

11. Volts is denoted by:

12. Equation of power dissipation in resistors is:

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

14. The ratio between the voltage applied to the current flowing through a circuit is called:

15. Ohm’s law is not applicable to:

16. Electrical power is measured in units of:

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

18. The amount of energy required to move the charge from lower potential to higher potential of the battery is called:

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

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