Create Test
Quiz logo

Electricity

Created on 24th April 2025

Play

Grade level: Grade 10th grade

Play

10 plays

Questions

32 Questions

The learning Tree Coaching Classes SBP

Questions (32)

1. What is the unit of electric current?

Ampere

4 choice options

2. What is Ohm's Law?

V = IR

4 choice options

3. Which of the following materials is a good conductor of electricity?

Copper

4 choice options

4. What is the total resistance in a series circuit with resistors of 2Ω, 3Ω, and 5Ω?

10Ω

4 choice options

5. What is the effect of increasing the voltage in a circuit according to Ohm's Law?

Current increases

4 choice options

6. Which of the following is a series circuit?

All components are connected end-to-end

4 choice options

7. What does the term 'voltage drop' refer to?

Loss of electrical potential energy

4 choice options

8. What happens to the current in a parallel circuit if one branch is removed?

Total current increases

4 choice options

9. Which of the following statements is true about electric power?

Power = Voltage x Current

4 choice options

10. What is the primary purpose of a fuse in an electrical circuit?

To prevent overcurrent

4 choice options

11. What is the unit of electric current?

Ampere

4 choice options

12. What does Ohm's Law state?

V = IR

4 choice options

13. Which of the following is a conductor?

Copper

4 choice options

14. What is the formula for electrical power?

All of the above

4 choice options

15. In a parallel circuit, the voltage across each component is:

The same

4 choice options

16. What is the purpose of a fuse in an electrical circuit?

To protect the circuit

4 choice options

17. The resistance of a conductor depends on:

All of the above

4 choice options

18. What do you call a circuit that allows electricity to flow?

Closed circuit

4 choice options

19. Which device is used to measure electric current?

Ammeter

4 choice options

20. What is the total resistance in a series circuit with three resistors of 2Ω, 3Ω, and 5Ω?

10Ω

4 choice options

21. If the voltage across a resistor is doubled, what happens to the current?

It doubles

4 choice options

22. What is the primary source of electrical energy in homes?

Electricity from power plants

4 choice options

23. What is the effect of increasing resistance in a circuit with constant voltage?

Decreases current

4 choice options

24. Which of the following statements is true about series circuits?

Current is the same in all components

4 choice options

25. What type of energy transformation occurs in a battery?

Chemical to electrical

4 choice options

26. Which instrument measures voltage in a circuit?

Voltmeter

4 choice options

27. What is the role of a resistor in a circuit?

To decrease current

4 choice options

28. In terms of energy, what happens to a bulb when it is connected to a power source?

It converts electrical energy to light energy

4 choice options

29. What is the primary difference between AC and DC current?

AC flows in both directions, DC flows in one direction

4 choice options

30. What safety device is used to prevent overload in a circuit?

Fuse

4 choice options

31. What happens to the total resistance in a parallel circuit if one resistor is removed?

It decreases

4 choice options

32. What is the relationship between voltage, current, and resistance known as?

Ohm's Law

4 choice options