why is a copper wire not used to make filaments of electric bulbs
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Answer:
the copper is not used as filament in bulb because the copper may change it's shape it may melt and fall on the glass. Therefore tungsten is used
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filament of bulb is made up of tungsten metal which the strongest metal in the world and copper is not strong enough to handle the heat produced by the bulb which make copper filament to break
Explanation:
copper is a very good conductor and allows electricity to pass through with very less resistance. As the RESISTANCE is less, therefore, heat energy produced is very low(H=I^2Rt).
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