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प्रश्न
Explain with a diagram of step-by-step energy conversion in a hydroelectric power plant.
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उत्तर
In a hydroelectric power plant, the water stored in a reservoir possesses potential energy due to its height. When the water is released, it flows downward at high speed, converting its potential energy into kinetic energy. The flowing water rotates the turbine, producing mechanical energy. The turbine drives a generator, which converts the mechanical energy into electrical energy.
Energy conversion:
Potential Energy → Kinetic Energy → Mechanical Energy → Electrical Energy.

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संबंधित प्रश्न
What is the difference between a thermal power plant and a hydro power plant?
State two advantages of producing hydroelectricity.
State two disadvantages of producing hydroelectricity.
At a hydro power plant:
(a) kinetic energy possessed by stored water is converted into electrical energy
(b) electrical 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.
Describe how hydro-energy can be converted into electrical energy.
Explain the difference between conventional and non-conventional sources of energy.
Give scientific reasons:
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Give your opinion about whether hydroelectric plants are environment friendly or not?
Draw a neat and labelled diagram of energy transformation in solar thermal electric energy generation.
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Kinetic energy in flowing water drives ________ to generate electricity.
In a hydroelectric power plant, the potential energy in water stored in a dam is converted into kinetic energy.
Draw the flowchart showing generation of electrical energy through hydroelectric power plant.
Observe the given diagram and answer the questions.

- Which type of energy is generated?
- This power station depends on which factors?
- Is it environment friendly?
In a hydropower plant:
Choose the correct statement.
Coil of wire is rotated between electromagnets is created ______.
Where are the Hydel power stations located in Tamil Nadu?
