why is the bulb of the electric bulb filled with inert gas?
Answers
In a bulb , nitrogen gas ( inert gas ) . is filled because in the bulb filament tungsten is there the melting point of tungsten in 3422°C and when electric city is passed it emits the light but doesn't melt .and the nitrogen gas is filled in the bulb so the bulb should not get burnt . if oxygen gas is filled instead of nitrogen gas then the fire can take place . therefore nitrogen gas is filled in the bulb.
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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. This allows for greater temperatures and therefore greater efficacy with less reduction in filament life. Follow me for your answers. I have 3 accounts First is arthkunder3 second is gpkusum470 and third is this one in which i am typing...