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MCQ Science and Technology Part II Class 10 Chapter 5 Maharashtra Board

Towards Green Energy

1. In a natural gas power plant, what drives the turbine?

Question 1 of 20

2. What is the initial energy form in a natural gas power plant?

Question 2 of 20

3. Why does natural gas combustion produce less pollution than coal?

Question 3 of 20

4. What component in a wind turbine increases rotations per unit time?

Question 4 of 20

5. What energy source is used in a hydroelectric power plant?

Question 5 of 20

6. What drives the turbine in a hydroelectric power plant?

Question 6 of 20

7. What is an advantage of hydroelectric power generation?

Question 7 of 20

8. What is a problem associated with hydroelectric power plants?

Question 8 of 20

9. What converts the kinetic energy of wind into electrical energy?

Question 9 of 20

10. Where is wind velocity typically high, suitable for wind turbines?

Question 10 of 20

11. What limits the use of wind energy for electricity generation?

Question 11 of 20

12. How is electrical energy generated directly from solar radiation?

Question 12 of 20

13. What is the solar photovoltaic effect?

Question 13 of 20

14. What material is commonly used in solar photovoltaic cells?

Question 14 of 20

15. What is the typical potential difference produced by a silicon solar cell?

Question 15 of 20

16. What type of current do solar photovoltaic cells generate?

Question 16 of 20

17. What happens when solar cells are connected in series?

Question 17 of 20

18. What happens when solar cells are connected in parallel?

Question 18 of 20

19. How many 100 cm² solar cells in series are needed to produce 18 V?

Question 19 of 20

20. What is the typical efficiency of a good solar cell?

Question 20 of 20


 

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