Question

nitrogen gas is filled inside electric bulb why? ​

Answer 1

Answer:

An electric bulb is filled with nitrogen or argon gas instead of air this is done to reduce the evaporation of tungsten which would otherwise condense on the bulb and Blankenship it.

Explanation:

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Answer 2

Answer:

Main reason why electric bulb is filled with nitrogen or argon instead of air is that the bulb contains closed glass chamber with inactive (inert) gas called Argon. Glass chamber in bulb gets filled with the air with presence of oxygen causing filament to burn to react with oxygen.

Explanation:

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