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प्रश्न
Give one example when:
Electrical energy to heat energy.
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उत्तर
Electric heater while in use.
संबंधित प्रश्न
State the energy change in the following device while in use:
A glowing electric bulb.
Fill in the blank
An object falling freely from the roof of a multistorey building has ________ and _________ energy when halfway down the building.
Name the type of energy (kinetic or potential) possessed by the following:
A stretched rubber band.
State two uses of solar cells.
What is dissipation of energy?
State the energy changes which take place when:
In a heat engine.
State the energy changes which take place when:
An air gun is loaded and then fired.
State the energy changes which take place when:
Photographic film is exposed to sunlight.
Give one example when:
Heat energy changes to kinetic energy.
Obtain an expression for the kinetic energy of a body of mass m moving with a velocity v?
