eVidyarthi

MCQ Chapter 4 General Science Class 8 Maharashtra Board

MCQ For All Chapters – General Science Class 8

Current Electricity and Magnetism

1. What is the electrolyte in a lead-acid cell?

Question 1 of 20

2. What is the potential difference of a lead-acid cell?

Question 2 of 20

3. What type of cell is used in cars and trucks?

Question 3 of 20

4. What is the potential difference of a Ni-Cd cell?

Question 4 of 20

5. What indicates current flow in the electric circuit of fig 4.4(b)?

Question 5 of 20

6. Why is a car battery called a battery and not a cell?

Question 6 of 20

7. How are cells connected in a battery to increase potential difference?

Question 7 of 20

8. What is produced around a wire when current flows through it?

Question 8 of 20

9. Who first observed the magnetic effect of electric current?

Question 9 of 20

10. What is an electromagnet made of in Activity 2?

Question 10 of 20

11. What happens to the pins in Activity 2 when the current stops?

Question 11 of 20

12. What component in an electric bell becomes magnetic when current flows?

Question 12 of 20

13. Why does the striker hit the gong in an electric bell?

Question 13 of 20

14. What stops the current in an electric bell momentarily?

Question 14 of 20

15. What is the potential difference of three 1.5 V cells connected in series?

Question 15 of 20

16. In Exercise 4(i), what is the total potential difference of three 2 V cells in series?

Question 16 of 20

17. In Exercise 4(ii), what is the total potential difference of three 2 V cells with two in series and one opposing?

Question 17 of 20

18. What flows from higher to lower potential in an electric circuit?

Question 18 of 20

19. What is filled between the zinc and graphite layers in a dry cell?

Question 19 of 20

20. What is the purpose of connecting cells in a transistor radio?

Question 20 of 20

MCQ
Quiz

Leave a Reply

Your email address will not be published. Required fields are marked *