Question

Which of the following statement is true regarding hydropower plants?

• A. The potential energy possessed by the stored water is converted into electricity.
• B. Kinetic energy possessed by the stored water is converted into potential energy.
• C. Electricity is extracted from the water.
• D. Water is converted into steam to produce electricity.

Answer 1

The correct option is A

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.