Question

b) Illustrate how wind is caused with the help of a labelled diagram.<br />​

Answer 1

Answer:

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.

solution

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