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प्रश्न
While producing hydroelectric energy, there is no pollution.
विकल्प
True
False
उत्तर
True
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संबंधित प्रश्न
There are four fuels which all contain only carbon and hydrogen. The fuel having highest calorific value will be one which has:
(a) more of carbon but less of hydrogen
(b) less of carbon but more of hydrogen
(c) equal proportions of carbon and hydrogen
(d) less of carbon as well as less of hydrogen
A hydro-power plant converts one form of energy into another. Name the two forms of energy.
What is the difference between a thermal power plant and a hydro power plant?
What is hydroelectricity? Explain the basic principle of generation of hydroelectricity with the help of a labelled diagram.
State two disadvantages of producing hydroelectricity.
Which of the two is a cleaner fuel: hydrogen of CNG? Why?
Read the information given below and solve the questions based on it.
Electric energy is produced in various ways like hydroelectric, wind power, Solar energy, bio-fuel, etc. These energy sources are inexhaustible, sustainable. Besides, it does not cause any environmental problem.
i. Above information is about which type of energy?
ii. Whether the fossil fuel is an example of this energy?
iii. Draw the flow chart of production of electric energy.
Give a scientific reason:
Hydroelectric energy, solar energy and wind energy are called renewable energies.
Give scientific reason
It is possible to produce energy from mW to MW using solar photovoltaic cells.
Draw neat and labelled diagram.
Energy transformation in solar thermal electric energy generation.
Major hydroelectric power plants in India
In a windmill, the rotating blades drive the turbine and the turbine in turn drives the generator 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.
Hydropower plants are located in the ____________.
Coil of wire is rotated between electromagnets is created ______.
In a hydro power plant
Complete the stages in electric generator using wind energy.
The Hydroelectric capacity of Koyna dam is ______.
