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प्रश्न
What is dissipation of energy?
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उत्तर
In transforming the mechanical energy if a part of it gets converted into another form of energy that cannot be utilized for useful work, this loss of energy is called the dissipation of energy.
संबंधित प्रश्न
Define calorific value of a fuel.
Give one example of a body that has potential energy, due to its position at a height.
State the energy transformation on the following:
Electricity is obtained from wind energy.
Name two examples in which the mechanical energy of a system remains constant.
What kind of energy is possessed in a situation when?
A cocked up spring of air gun.
State two advantages and disadvantages of using wind energy for producing electricity.
State the energy changes which take place when:
A stone projected vertically upwards, returns back to the thrower.
Give one example when:
Kinetic energy to potential energy.
What is nuclear energy? Explain the principle of producing electricity using nuclear energy is a nuclear reactor.
