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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
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.
Fill in the blank
The energy possessed by a body due to its position is called ________ energy.
Give one relevant example for the following transformation of energy:
Electrical energy to heat energy.
Name the type of energy (kinetic energy K or potential energy U) possessed in the given case:
An arrow shot out of a bow.
State different forms of potential energy and give one example of each.
Name five renewable sources of energy.
What is the main source of energy for earth?
Name the energy changes for the following
human body
Obtain an expression for the kinetic energy of a body of mass m moving with a velocity v?
Nuclear fission is
