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प्रश्न
State the energy changes in the following case while in use:
An electric cell in a circuit
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उत्तर
Chemical energy to electrical energy.
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संबंधित प्रश्न
State the energy changes in the following case while in use:
An electric iron
State the energy changes that occur in the following :
An electric generator (or dynamo).
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(a) How much work is done by the men in lifting the box?
(b) How much work do they do in just holding it?
(c) Why do they get tired while holding it? (g = 10 m s–2)
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