Question

Which gas is filled in electric bulb and why? Why is tungsten used in filament of lamps brainly

Answer 1

Hello friend ,

Here is ur answer :

                 Nitrogen or Argon is filled in electric bulb as nitrogen r such gases  slows down the evaporation of the tungsten filament .

           Tungsten is used  because it has

                       #  Lowest vapour pressure

                       #  High melting point

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Answer 2

Answer:

Filling a bulb with an inert gas such as argon or nitrogen slows down the evaporation of the tungsten filament compared to operating it in a vacuum.

Explanation:

thats why tungestun used in it

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