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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
A heating coil has a resistance of 200 Ω. At what rate will heat be produced in it when a current of 2.5 A flows through it?
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(a) chemical effect of current
(b) magnetic effect of current
(c) lighting effect of current
(d) heating effect of current
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Which electric heating device in your home do you think have resistors which control the flow of electricity?
Give scientific reason :
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Which metal is used to make the filament of an electric bulb?
Write two devices based on the heating effect of electric current.
When does overloading occur?
An electric cell produces electricity from the ______ ______ in it.
Name two electric devices for each where
- heating effect of current is used and
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