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What should be the minimum wind speed fo...

What should be the minimum wind speed for the satisfactory working of a wind-powered electric generator ?

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LAKHMIR SINGH & MANJIT KAUR-SOURCES OF ENERGY -Exercise
  1. Flowing water can rotate a turbine. Which type of energy is used up by...

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  2. Name the original source of wind energy.

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  3. What should be the minimum wind speed for the satisfactory working of ...

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  4. Name some of the solar energy devices.

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  5. Name the device which converts sunlight into electricity.

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  6. Fill in the following blanks with suitable words : A solar cell co...

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  7. (a) What is the difference between a thermal power plant and a hydro p...

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  8. Compare and contrast fossil fuels and the sun as sources of energy.

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  9. What kind of mirror-concave, convex or plane-would be best suited for ...

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  10. What are the disadvantages of using a solar cooker ? Are there places ...

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  11. (a) What is a solar cell ? Draw the labelled diagram of a solar cell. ...

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  12. What are the disadvantages of using a solar cooker ? Are there places ...

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  13. (a) What is solar constant ? What is the value of solar constant ? ...

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  14. How has the traditional use of wind and water energy been modified for...

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  15. Name the clean fuel which can be obtained from cow-dung.

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  16. Name any three forms of energy which could be harnessed from the sea.

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  17. Write the full form of OTE.

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  18. What are the limitations of energy that can be harnessed from the sea ...

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  19. Which of the following is not an example of a biomass energy source ?

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  20. Most of the sources of energy that we use represent stored solar energ...

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