Current Electricity Class 4 MCQ Electrical Engineering

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About this Quiz

This Current Electricity Class 4 MCQ test contains random 30 Objective Questions. You have select one correct answer among given options.

Current Electricity Class 4 MCQ With Answers

1. The plastic around the wire is

  • conductor
  • insulator
  • decoration
  • All of above

2. Magnetism created by an electric current

  • electricity
  • electromagnetism
  • wind energy
  • none of the above

3. Is this circuit open or closed?

  • Closed
  • Open

4. Choose the correct sentence.

  • This circuit will work because it is an open circuit.
  • This circuit will work because it is a closed circuit.
  • This circuit will NOT work because it is an open circuit.
  • This circuit will NOT work because it is a closed circuit.

5. An example of an insulator is:

  • iron
  • silver
  • copper wire
  • rubber

6. Choose the correct sentence.

  • This circuit will work because it is an open circuit.
  • This circuit will work because it is a closed circuit.
  • This circuit will NOT work because it is an open circuit.
  • This circuit will NOT work because it is a closed circuit.

7. What kind of energy is the electricity transferred into in a toaster?

  • sound
  • light
  • heat
  • light and heat

8. ____________ allows electricity to flow.

  • A conductor
  • An insulator
  • A magnet
  • All of above

9. What is the difference between a conductor and an insulator?

  • An insulator allows electricity to flow through it easily and a conductor does not
  • A conductor allows electricity to flow through it easily and an insulator does not.
  • An insulator is magnetic and a conductor is not
  • A conductor is magnetic and an insulator is not

10. What kind of energy is the electricity transferred into in a toaster?

  • sound
  • light
  • heat
  • light and heat

11. An example of a conductor is :

  • a glass paperweight
  • a plastic cap
  • a metal screw
  • a wooden handle

12. When the switch is closed, the light

  • comes on
  • stays off
  • burns out
  • Both A & B

13. If the lights are off, the circuit is

  • closed
  • open

14. If the lights are on, the circuit is

  • closed
  • open

15. ____________ stops the flow of electricity.

  • A conductor
  • An insulator
  • A magnet
  • None of these

16. ____________ stops the flow of electricity.

  • A conductor
  • An insulator
  • A magnet
  • None of these

17. What is the difference between a conductor and an insulator?

  • An insulator allows electricity to flow through it easily and a conductor does not
  • A conductor allows electricity to flow through it easily and an insulator does not.
  • An insulator is magnetic and a conductor is not
  • A conductor is magnetic and an insulator is not

18. The flow of electricity requires a

  • complete path
  • incomplete path
  • insulated current
  • All of above

19. ____________ allows electricity to flow.

  • A conductor
  • An insulator
  • A magnet
  • All of above

20. What are the components of a simple circuit?

  • wires, switch, outlet
  • battery, switch, motor
  • wires, light bulb, motor
  • wires, battery, light bulb

21. What is the purpose of a switch?

  • To open and close the circuit.
  • To carry the electricity through the circuit.
  • To make a fun clicking sound
  • To supply the power to the circuit

22. What are the components of a simple circuit?

  • wires, switch, outlet
  • battery, switch, motor
  • wires, light bulb, motor
  • wires, battery, light bulb

23. The flow of electricity requires a

  • complete path
  • incomplete path
  • insulated current
  • All of above

24. The flow of electricity in a circuit-

  • current
  • flow
  • circuit
  • none of the above

25. Is this circuit open or closed?

  • Closed
  • Open

26. An example of a conductor is :

  • a glass paperweight
  • a plastic cap
  • a metal screw
  • a wooden handle

27. If the lights are off, the circuit is

  • closed
  • open

28. What part of a circuit is this object?

  • energy source
  • energy receiver
  • electrical conductor
  • switch

29. What part of a circuit is this object?

  • energy source
  • energy receiver
  • electrical conductor
  • switch

30. If the lights are on, the circuit is

  • closed
  • open

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