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प्रश्न
When current is switched ‘on’ in a room heater, it ______.
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उत्तर
When current is switched ‘on’ in a room heater, it becomes red hot and emits heat.
Explanation:
The working of a room heater is based on the heating effect of electric current, which converts electrical energy into heat energy to warm the room.
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संबंधित प्रश्न
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She wrote: Three-pin connections reduce heating of connecting wires.
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