When current is switched on in a room heater , it
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A heating element in a room heater is made up of metal, mostly nichrome, which is a “good conductor of electricity”. The electrical energy from the current passing through the filament is converted to heat energy and thus produces heat.
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if the current of a heater is being cut down the temperature of the room will remain same for a short time after a while it may start decreaseing down and in this process if the gate, windows,etc.. of room will be open the time period of decrease in temperature will also decrease
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