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Question

Which of the following statement is true regarding hydropower plants?



A

The potential energy possessed by the stored water is converted into electricity.

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B

Kinetic energy possessed by the stored water is converted into potential energy.

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C

Electricity is extracted from the water.

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D

Water is converted into steam to produce electricity.

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Solution

The correct option is B

The potential energy possessed by the stored water is converted into electricity.


In a hydropower plant, water stored at a height is allowed to fall through a penstock pipe. The energy of the flowing water is used to rotate the turbine and generate electricity.
The energy change taking place in a hydropwer plant is:
Potential energy -> Kinetic enewgy -> Mechanical energy -> Electrical energy. 


Physics

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