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प्रश्न
A bulb lights up when connected to a battery. State the energy change which takes place :
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उत्तर
When a bulb is connected to a battery, it lights up because of the following energy transformations:
(a) In the battery, chemical energy is transformed into electrical energy.
(b) In the bulb, electrical energy is converted into heat energy and then to light energy.
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संबंधित प्रश्न
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