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प्रश्न
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.
उत्तर
i. Above information is about‘ green energy’
ii. Fossil fuel is not an example of green energy.
iii. 
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संबंधित प्रश्न
Write the energy conversion that takes place in a hydropower plant.
What is hydroelectricity? Explain the basic principle of generation of hydroelectricity with the help of a labelled diagram.
State two advantages 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.
The harnessing of which of the following leads to the destruction of large eco-systems?
(a) thermal power
(b) tidal power
(c) hydro power
(d) geothermal power
Describe the working of a hydrogen bomb.
Draw neat and labelled diagram.
Energy transformation in solar thermal electric energy generation.
Kinetic energy in flowing water drives ________ to generate electricity.
Major hydroelectric power plants in India
Electrical energy can be generated using wind.
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.
Complete the table.
| Advantages of hydroelectric power plant | Disadvantage of hydroelectric power plant |
Explain the stages in electric generation from the given schematic diagram.
In a hydropower plant:
Coil of wire is rotated between electromagnets is created ______.
In a hydroelectric power plant more electrical power can be generated if water falls from a greater height because
The Hydroelectric capacity of Koyna dam is ______.
