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09-03-2017
Physics

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Why is nitrogen or helium filled in a filament lamp??

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bubbob1544 bubbob1544

09-03-2017

Argon gas is used in fluorescent and incandescent light bulbs to stop the oxygen in the light bulbs from corroding the hot tungsten filament.The use of argon in lightbulbs prevents the evaporation of the tungsten filaments, which results in increased light bulb life.

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