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Energy Can Exist in Several Forms and May Change from One Form to Another. Give Two Examples to Show the Conversion of Energy from One Form to Another. - ICSE Class 7 - Physics

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Question

Energy can exist in several forms and may change from one form to another. Give two examples to show the conversion of energy from one form to another.

Solution

The examples that show the conversion of energy from one form to another are :
(1) In a steam engine, the chemical energy of the coal first changes into the heat energy of the steam. Then heat jenergy of steam changes into the mechanical energy which makes the train to move.
(2) In an electric motor (or in fan), the electrical energy changes into the mechanical energy. This energy rotates the axle of motor (or the blades of the fan).

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Solution Energy Can Exist in Several Forms and May Change from One Form to Another. Give Two Examples to Show the Conversion of Energy from One Form to Another. Concept: Concept of Law of Conservation of Energy.
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