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प्रश्न
What is the main energy transformation that occur in:
Charging of a battery.
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उत्तर
Electric energy to chemical energy.
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.
Write an expression for the potential energy of a body of mass m placed at a height h above the earth's surface. State the assumptions made, if any.
Name the form of mechanical energy, which is put to use.
Select the renewable and non-renewable sources of energy from the following:
Wind
What is a solar cell?
State two advantages of using wind energy for generating electricity.
State two disadvantages of using wind energy for generating electricity.
Name the energy changes for the following
human body
How is kinetic energy possessed by a moving body measured?
State the energy changes which take place when:
A body released from rest from the top of a building.
