describe how hydro energy is converted into electrical energy. Write any two limitations of hydro energy
Answers
High rise dams are constructed on the river to obstruct the flow of water and thereby water is collected in large reservoir, the water level rises and in this process the kinetic energy of flowing water gets transformed into potential energy. The water from the high level in the dam is carried through pipes to the turbines, which rotates the turbines and electricity is generated.
LIMITATIONS OF HYDRO ENERGY :-
1. Dams are very expensive to build.
2.It is not the biggest source of energy on earth .
3.Building a large dam alters the natural water table level.
Answer:
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In hydropower plants, a large amount of water is stored at a height. This stored water is then allowed to fall on rotating turbines. The force of the running water (kinetic energy of running water) causes the turbines of the plant to spin. The rotating turbines then spin the generator, which ultimately produces electricity. In this manner, the kinetic energy of the running water is converted into mechanical energy and then finally into electrical energy.
Two limitations of Hydropower Energy are:
Causes a change in the course of rivers and lot of land is submerged under water.
Fish and wildlife are affected drastically.
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