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प्रश्न
What is hydro energy? Explain the principle of generating electricity from hydro energy. How much hydro electric power is generated in India?
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उत्तर
The kinetic energy possessed by flowing water is called the water or hydro energy.
Principle of a hydroelectric power plant is that the water flowing in high altitude rivers is collected in a high dam (or reservoir). The water from the dam is then allowed to fall on a water turbine which is located near the bottom of the dam. The shaft of the turbine is connected to the armature of an electric generator or dynamo.
At present only 23% of the total electricity is generated by the hydro energy.
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संबंधित प्रश्न
What type of energy is possessed by flowing water?
How has the traditional use of energy of flowing water been modified for our convenience?
The harnessing of which of the following leads to the destruction of large eco-systems?
(a) thermal power
(b) tidal power
(c) hydro power
(d) geothermal power
Write any two limitations of hydro-energy.
Draw a neat and labelled diagram of energy transformation in solar thermal electric energy generation.
What are the advantages of hydroelectric power generation ?
Find an odd one out.
In a hydroelectric power plant more electrical power can be generated if water falls from a greater height because ______.
Choose the correct statement.
______ have long economic lives and low operating cost.
