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प्रश्न
Give one example when:
Chemical energy to electrical energy.
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उत्तर
Drawing current from an electric cell.
संबंधित प्रश्न
Define the term kinetic energy. Give one example of a body which possesses kinetic energy.
State two factors on which the kinetic energy of a moving body depends.
State the changes in form of energy while producing hydro electricity.
A boy of mass m climbs up a staircase of vertical height h.
(a) What is the work done by the boy against the force of gravity?
(b) What would have been the work done if he uses a lift in climbing the same vertical height?
State the energy changes which take place in Electricity is obtained from solar energy.
State the energy changes which take place when:
A car moves up a hill.
State the energy changes which take place when:
A battery lighting up a bulb.
In a hydroelectric power station, 1000 kg of water is allowed to drop through a height of 100 m in 1 sec. If the conversion of potential energy to electric energy is 60%. Calculate the power output. [Take: g = 10m/sec2]
Can you tell?
Describe one natural chain of transformation of energy.
A good fuel should possess:
