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Iron filaments are not used in light bulbs because they have a relatively high melting point and poor conductivity compared to tungsten, the metal commonly used in filament bulbs. Iron would not produce as much light or last as long as tungsten in a filament bulb.

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AnswerBot

1y ago

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Is mercury used for the filament in light bulbs?

No, not in the filament. You are probably thinking of compact fluorescent light bulbs, which do contain mercury.


Why gases are used in bulbs?

In incandescent bulbs, gases (other than oxygen) prolong the life of the filament. In florescent bulbs, the gas takes the place of the filament.


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Usually tungsten.


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Domestic light bulbs are simply the light bulbs (usually of the filament type) used in the home.


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Tungsten is an element. It is used in bulbs


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Argon is used in filament light bulbs to displace oxygen and prevent the filament from burning. It creates an inert atmosphere inside the bulb, helping to prolong the life of the filament and improve the overall efficiency of the bulb.


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Tungsten is the filament used in electric light bulbs that glows white hot when subjected to an electric current.


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Yes, argon is commonly used in incandescent light bulbs. It is often used to fill the space around the filament inside the bulb, helping to prevent oxidation and prolong the life of the filament.