lllustrate how winds is caused with the help of a labelled diagram
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Answer:
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Answer:
Question:
What is wind ? What type of energy is possessed by wind ?
(b) Explain how, wind energy can be used to generate electricity. Illustrate your answer with the help of a labelled diagram.
(c) State two advantages of using wind energy for generating electricity.
(d) Mention two limitations of wind energy for generating electricity
Answer:
(a) Moving air is known as wind. Wind posses kinetic energy.
(b) The fast moving wind strikes the wind turbine which starts rotating. The shaft of the wind turbine also rotates and drives the generator which produces electricity.
(c) Advantages of using wind energy for generating electricity:
(i) It does not cause any pollution.
(ii) It is available free of cost.
(d) Limitations of wind energy
(i) Wind energy farms cannot be established everywhere. They can be established only at those places where wind blows for most part of the year.
(ii) Wind energy farms require large area of land for their establishment.
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