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CBSE Class 10 Answered

how does wind produce electricity and how can we use biogass
Asked by Mini | 30 Sep, 2015, 08:30: PM
answered-by-expert Expert Answer
Wind energy:
Air in motion is called wind. It possesses kinetic energy due to its speed. The kinetic energy of wind is is utilised to obtain wind energy.Windmills are used to generate electricity from wind energy. A windmill is a simple machine with a structure similar to a large fan erected at some height. The rotatory motion of the windmill is utilised to run the turbine of an electric generator.
The wind energy can be used to run a pump in order to draw water from the ground. It can also be used to run a flour mill to grind grain.
 
Uses of biogas:
1. It is used as a fuel to run engines.
2. It is used for lighting.
3. The slurry left behind is removed and used as manure, which is rich in nitrogen and phosphorus.
 
Answered by Yashvanti Jain | 01 Oct, 2015, 10:24: AM

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