Asked by Regine

Used in coating filaments of light bulbs

Answers

Answered by DrBob222
I copied this from Google.
When incandescent light bulbs are manufactured, they are filled with an inert gas to insulate the filament and prevent its sublimation. The pressure inside a freshly manufactured light bulb is something like 80% of the normal atmospheric pressure. The gases normally used are argon and a little bit of nitrogen.
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