Physics, asked by Sbina, 2 months ago

Copper isnot used in filament lamp instead of tungsten.why?

Answers

Answered by Rajkd180203

Answer:

Its melting point is lower than tungsten and at high temperature the copper will melt. Resistivity of tungsten is higher than copper. If we use a thick tungsten wire in the electric bulb , then the resistance will get reduced and to achieve the requisite heat, more energy will be spent.

Answered by moulikaspm

Answer:

Copper melting point is lower than tungsten and at high temperature the copper will melt.

Resistivity of tungsten is higher than copper.

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