मराठी
महाराष्ट्र राज्य शिक्षण मंडळएस.एस.सी (इंग्रजी माध्यम) इयत्ता १० वी

Wind turbines with capacity are commercially available. - Science and Technology 2

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प्रश्न

Wind turbines with capacity are commercially available.

पर्याय

  • 1 kW to 7 MW

  • 1 kW to 7 kW

  • 1 kW to 7000 W

  • 1 W to 7 MW

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उत्तर

1 kW to 7 MW

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 5: Towards Green Energy - Choose the correct option

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? 


How has the traditional use of energy of flowing water been modified for our convenience?


What is hydroelectricity? Explain the basic principle of generation of hydroelectricity with the help of a labelled diagram. 


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


Explain with a diagram of step-by-step energy conversion in Hydroelectric power plant.


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.


What are the advantages of hydroelectric power generation ?


While producing hydroelectric energy, there is no pollution.


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 more electrical power can be generated if water falls from a greater height because ______.


In a hydropower plant:


Choose the correct statement.


Coil of wire is rotated between electromagnets is created ______.


In a hydro power plant


In a hydroelectric power plant more electrical power can be generated if water falls from a greater height because


Complete the stages in electric generator using wind energy.


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