CBSE Class 10 Science 2018 · Paper 31/1 · Question 2
Write the energy conversion that takes place in a hydropower plant.
Answer
Potential energy of stored water becomes kinetic energy, which turns the turbine, and the generator converts it into electrical energy.
In a hydropower plant the potential energy of water stored at a height behind a dam is converted into electrical energy. As the water falls, its potential energy becomes kinetic energy; the moving water turns the turbine (mechanical energy), and the generator converts this into electrical energy.
Potential energy → kinetic energy → electrical energy
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