In a hydro power plant, potential energy of water is finally converted into:

Electrical energy

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Heat energy

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Sound energy

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Chemical energy

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Solution

The correct option is A Electrical energy
When the water is stored in the dam, it possess potential energy because of extra elevation of the storage. After the dam is opened, the water starts flowing downward towards the turbine. Therefore potential energy of water is converted to kinetic energy. As the water hits the turbine, it forces turbine to rotate which results in production of electrical energy. So, potential energy of the water stored in the dam is converted into electrical energy.

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Similar questions

Q. At a hydro power plant:

(a) kinetic energy possessed by stored water is converted into electrical energy
(b) electricity is extracted from water
(c) water is converted into steam to turn turbines and produce electricity.
(d) potential energy possessed by stored water is converted into electricity.

Question 4
In a hydro power plant
(a) Potential energy possessed by stored water is converted into electricity.
(b) Kinetic energy possessed by stored water is converted into potential energy.
(c) Electricity is extracted from water.
(d) Water is converted into steam to produce electricity.

Q. A hydro-power plant converts one form of energy into another. Name the two forms of energy.

Q. Turbine used in hydro electric power plant converts __________ energy of water to __________ energy.

Assertion: The amount of electric power generated in hydroelectric power plant A is more than that of hydroelectric power plant B.
Reason: The potential energy possessed by the stored water is converted into electricity.

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