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copper wire cannot be used as a filament in an electric  bulb.

Asked by arajeevshashank 1st February 2018, 10:38 AM
Answered by Expert
The traditional tungsten filament bulb works on the principle of heating effect of electric current.
This effect requires the filament to be of a very high resistance, so that the filament heats up and gives out light for illumination.
A copper wire has very low resistance, therefore, it is used for wires for conduction and transmission of electricity but cannot be used as a filament in a bulb working on the principle of heating effect of electric current.
Answered by Expert 1st February 2018, 11:49 AM
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