Question

State in brief the process of harnessing kinetic energy of the wind to do work. Mention any 4 limitations of harnessing wind energy on a large scale.

Answer 1

hii,

Wind energy is the energy harnessed from wind. The kinetic energy of wind is converted into mechanical energy. If this energy is used directly by a machine (such as a grinding stone or a water pump), it is called a windmill. If the mechanical energy is first converted into electricity, then the machine is called a wind turbine.

1. It is unpredictable. You never know accurately when there will be enough wind to turn the wind turbine.

2. Wind turbines produce very less electrical energy. So, wind energy is not so effective.

3. it needs huge space and area

4. Can inly be installed in regions where strong winds blow.


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Answer 2

Answer: Wind energy is the energy harnessed from wind. The kinetic energy of wind is converted into mechanical energy. If this energy is used directly by a machine (such as a grinding stone or a water pump), it is called a windmill. If the mechanical energy is first converted into electricity, then the machine is called a wind turbine.

Limitations are:

(I) Can only be installed in regions with strong winds.

(II) It requires huge space and area.

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