why an electric bulb is filled with nitrogen or argon instead of air
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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. Glass chamber are not made vacuum. Filament will evaporate in vacuum condition.
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The closed glass chamber of the bulb contains, an inactive (inert) gas, Argon. The glass chamber can’t be filled with air as the presence of oxygen will cause the filament to burn, i.e. react with oxygen.
The glass chamber can’t be made vacuum. As in vacuum condition, the filament will evaporate because of very high temperature, making the bulb unusable.
The only solution to these problems is an inert gas. The inert gas within the bulb will maintain a particular pressure, preventing the filament from evaporating. An obviously, inert gas won’t react with the filament. Nitrogen is also used like argon .
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HERE'S THE ANSWER ✌
_____________
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The closed glass chamber of the bulb contains, an inactive (inert) gas, Argon. The glass chamber can’t be filled with air as the presence of oxygen will cause the filament to burn, i.e. react with oxygen.
The glass chamber can’t be made vacuum. As in vacuum condition, the filament will evaporate because of very high temperature, making the bulb unusable.
The only solution to these problems is an inert gas. The inert gas within the bulb will maintain a particular pressure, preventing the filament from evaporating. An obviously, inert gas won’t react with the filament. Nitrogen is also used like argon .
✅✅✅
__________________
HOPE IT WILL HELP YOU ☺
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