Electric Traction Class 8 MCQ Electrical Engineering

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About this Quiz

This Electric Traction Class 8 MCQ test contains random 30 Objective Questions. You have select one correct answer among given options.

Electric Traction Class 8 MCQ With Answers

1. Which of the following an insulator?

  • copper
  • wood
  • silver
  • salt water

2. When objects have equal numbers of positive and negative charges, they are

  • positively charged
  • negatively charged
  • electrically neutral
  • unbalanced

3. Glass, rubber, silk, and plastic are all examples of

  • Conductors
  • Insulator
  • Thermel conductivity
  • Materials

4. What is the charge of the electron

  • positive
  • no charge
  • negative
  • neutral

5. An object that is positively charged contains more protons than electrons.

  • True
  • False
  • I need more information
  • All of above

6. Which of the following an insulator?

  • copper
  • wood
  • silver
  • salt water

7. Electric charges that are different _______ each other.

  • Attract
  • Repel

8. What parts of an atom are in the nucleus?

  • Protons
  • Neutrons
  • Electrons
  • Protons and Neutrons

9. A metal spoon is an example of _____.

  • a conductor
  • an insulator

10. What is the charge of the electron

  • positive
  • no charge
  • negative
  • neutral

11. The loss of an unbalanced electric charge is an

  • electric force
  • electric field
  • electric discharge
  • All of above

12. If a substance has an excess number of electrons on its surface, what type of charge does it have?

  • A negative charge
  • A positive charge
  • A neutral charge
  • A nuclear charge

13. If an object has a net charge of +2e this means it has

  • lost 2 electrons
  • gained 2 electrons
  • lost 2 protons
  • gained 2 protons

14. In a stable atom the amount of electrons is equal to the amount of

  • neutrons
  • protons
  • atomic mass
  • neutrons + protons

15. Electric charges that are different _______ each other.

  • Attract
  • Repel

16. Metals such as copper, iron, gold, and silver are ...

  • conductors
  • brittle
  • insulators
  • resistors

17. When objects have equal numbers of positive and negative charges, they are

  • positively charged
  • negatively charged
  • electrically neutral
  • unbalanced

18. Glass, rubber, silk, and plastic are all examples of

  • Conductors
  • Insulator
  • Thermel conductivity
  • Materials

19. If an object has a net charge of +2e this means it has

  • lost 2 electrons
  • gained 2 electrons
  • lost 2 protons
  • gained 2 protons

20. A balloon has a negative charge. A glass rod has a positive charge. What will happen when the rod is brought near the balloon?

  • the balloon will be attracted to the rod
  • the balloon will remain in place
  • the balloon will be repelled by the rod
  • the balloon will spin in circles

21. In a stable atom the amount of electrons is equal to the amount of

  • neutrons
  • protons
  • atomic mass
  • neutrons + protons

22. The loss of an unbalanced electric charge is an

  • electric force
  • electric field
  • electric discharge
  • All of above

23. What parts of an atom are in the nucleus?

  • Protons
  • Neutrons
  • Electrons
  • Protons and Neutrons

24. If a substance has an excess number of electrons on its surface, what type of charge does it have?

  • A negative charge
  • A positive charge
  • A neutral charge
  • A nuclear charge

25. Metals such as copper, iron, gold, and silver are ...

  • conductors
  • brittle
  • insulators
  • resistors

26. A balloon has a negative charge. A glass rod has a positive charge. What will happen when the rod is brought near the balloon?

  • the balloon will be attracted to the rod
  • the balloon will remain in place
  • the balloon will be repelled by the rod
  • the balloon will spin in circles

27. An object that is positively charged contains more protons than electrons.

  • True
  • False
  • I need more information
  • All of above

28. Which of these is the electron?

  • A
  • B
  • C
  • All of above

29. Which of these is the electron?

  • A
  • B
  • C
  • All of above

30. A metal spoon is an example of _____.

  • a conductor
  • an insulator

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