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प्रश्न
Give one example when:
Mechanical energy changes to electric energy.
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उत्तर
In an electric generator, the mechanical energy changes to electric energy.
संबंधित प्रश्न
Define calorific value of a fuel.
State the energy changes in the following case while in use:
an electric cell in a circuit
Select the renewable and non-renewable sources of energy from the following:
Coal
Why using wood as fuel is not advisable although wood is a renewable source of energy?
Calculate the decrease in the kinetic energy of a moving body if its velocity reduces to half of the initial velocity.
Write the type of energy possessed in the following case:
A bent bow
State two advantages and two disadvantages of using hydro-energy for producing electricity.
Give one example when:
Electric energy changes to mechanical energy.
Give one example when:
Potential energy changes to electric energy.
Ocean thermal energy is due to
