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प्रश्न
In a windmill, the rotating blades drive the turbine and the turbine in turn drives the generator to generate electricity.
पर्याय
True
False
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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
Flowing water can rotate a turbine. Which type of energy is used up by the turbine?
What is hydroelectricity? Explain the basic principle of generation of hydroelectricity with the help of a labelled diagram.
State two disadvantages of producing hydroelectricity.
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
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
Give scientific reasons:
It is possible to produce energy from mW to MW using solar photovoltaic cells.
What are the advantages of hydroelectric power generation ?
Write whether true or false
Electrical energy can be generated.
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?
Complete the following flow chart.
In a hydropower plant:
______ have long economic lives and low operating cost.
In a hydro power plant
In a hydroelectric power plant more electrical power can be generated if water falls from a greater height because
