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प्रश्न
Give one example when:
Potential energy changes to electric energy.
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उत्तर
The potential energy of stored water in dams, changes to electric energy in generators.
संबंधित प्रश्न
A certain form of energy which is not sourced directly or indirectly from the sun and does not cause any pollution is very easily converted into electricity. This form of energy is, however, not available everywhere. Moreover, it is technically very difficult and expensive to obtain it. Name the form of energy.
State two factors on which the kinetic energy of a moving body depends.
A body of mass m is moving with a velocity v. Write the expression for its kinetic energy.
What is tidal? Explain in brief.
State the energy transformation on the following:
Electricity is obtained from wind energy.
What kind of energy is possessed in a situation when?
A stone lying on the top of roof.
What happens to the K.E. when
(i) the mass of the body is doubled at a constant velocity and
(ii) the velocity of the body is doubled at constant mass?
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]
Use your brain power!
How do we save fuel by using public transport?
Ocean thermal energy is due to
