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The filament lasts for a long time because argon is inert and will not oxidize the filament even at high temperatures.

If air were used, the oxygen would quickly react with and destroy the hot filament within seconds of it being turned on.

Quick experiment: Attach a wire to the positive and negative sides of a large flashlight battery (the large rectangular ones with the two coils coming from the top... I can't think of the proper size). Attach the back of one alligator clip to the open end of each wire (so the clip part is not clipped on the wire). String out some steel wool until you have a single strand (or two or three wound together). This essentially is a light bulb filament. Clip it into the two alligator clips and watch how fast it burns.

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13y ago

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Related Questions

Which gas is present inside the electric bulb?

The gas typically present inside an incandescent light bulb is nitrogen or a mixture of nitrogen and argon. This gas helps prevent the tungsten filament from burning up by reducing the rate of evaporation.


Which gas used in light bulb?

The gas in a light bulb is Argon


What are the gasses they put in a bulb?

nitrogen , and argon gas


Which gas is used in light bulb?

The gas most commonly used in incandescent light bulbs is argon, which helps to prevent the filament from oxidizing and burning out too quickly. Other gases, such as nitrogen and krypton, may also be used in combination with argon to improve the efficiency and lifespan of the bulb.


What gas is inside a light bulb?

Light bulbs are typically filled with an inert gas such as argon or nitrogen, along with a small amount of a halogen gas like bromine or iodine. These gases help to prevent the filament from degrading by reducing evaporation and oxidation.


What the name of the gas is in a light bulb?

argon - inert gas


What element is in light bulbs?

The bulb has a filament made up of tungsten and a low pressure inert gas (argon, neon, nitrogen).


Why do you need an inert gas in a light bulb?

An inert gas, like argon or nitrogen, is used in light bulbs to prevent the filament from reacting with oxygen and burning out quickly. By filling the bulb with an inert gas, the filament lasts longer and the bulb operates more efficiently.


What are the materials of a light bulb?

glass and argon gas .


What gas stops a light bulb burning?

ARGON


Is a light bulb filled with Nitrogen?

No, light bulbs are typically filled with either a vacuum (no air) or an inert gas like argon. Nitrogen is not commonly used in light bulbs because it does not provide the same level of protection for the filament as argon.


What gas is in light bulbs?

An energy saving light bulb is simply a fluorescent light-bulb in a small housing with a built in starter . The gas used for it will be the same as a standard strip-light which is a tube filled with low pressure mercuric oxide and an inert gas like Argon Neon or krypton.