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MCQ General Science Chapter 8 Class 7 Maharashtra Board

MCQ For All Chapters – General Science Class 7

Static Electricity

1. In Franklin’s kite experiment, what conducted the charge from the clouds to the earth?

Question 1 of 20

2. What charges the upper part of some clouds during lightning?

Question 2 of 20

3. What is the charge on the lower side of a cloud during lightning?

Question 3 of 20

4. What is a lightning strike caused by?

Question 4 of 20

5. What material forms the main strip of a lightning conductor?

Question 5 of 20

6. Why is the upper end of a lightning conductor forked?

Question 6 of 20

7. What helps spread the electric charge into the ground in a lightning conductor?

Question 7 of 20

8. What does a lightning conductor protect against?

Question 8 of 20

9. Why is it unsafe to use an umbrella during lightning?

Question 9 of 20

10. How are electric charges generated in objects?

Question 10 of 20

11. What is a key characteristic of static electric charge?

Question 11 of 20

12. What gas is produced by lightning that improves soil fertility?

Question 12 of 20

13. What does lightning convert oxygen into that protects against UV rays?

Question 13 of 20

14. Why do farmers use an iron staff in the ground during rainy conditions?

Question 14 of 20

15. What happens to thermocol balls shaken in a bottle?

Question 15 of 20

16. Which object does not get easily charged by rubbing?

Question 16 of 20

17. What did Thales observe with amber 2500 years ago?

Question 17 of 20

18. Why is lightning not seen daily during the rainy season?

Question 18 of 20

19. How can an object be charged by contact?

Question 19 of 20

20. What must a metal have to replace gold in an electroscope?

Question 20 of 20


 

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