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because the filament should be heated so the resistance should be high .so it uses a long and thin wire
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∙ 10y ago
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Why is argon used in lamp?
The traditional bulb contains a thin wire(AKA filament) that gives off light(and heat) when it's heated white hot by a current passing through it. If you were to do this in ordinary atmosphere the filament would simply burn off. But if you put the filament either in vacuum or in a non-reactive atmosphere it can glow w/o burning.
Why argon is used in electric lamps?
The traditional bulb contains a thin wire(AKA filament) that gives off light(and heat) when it's heated white hot by a current passing through it. If you were to do this in ordinary atmosphere the filament would simply burn off. But if you put the filament either in vacuum or in a non-reactive atmosphere it can glow w/o burning.
Why you use argon or nitrogen gas in light bulb?
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.
What is a light bulb filament?
the filament is the metal peice in a bulb that glows.Tungsten is most often used in a lightbulb.
What is the strip of material that glows in a light bulb called?
The strip of material that glows inside a light bulb is called the filament. It is usually made of tungsten and emits light when an electric current passes through it, heating it to a high temperature, causing it to glow and produce visible light. The filament is a crucial component in incandescent light bulbs, which have been widely used for many years, although more energy-efficient lighting technologies, such as LED (Light Emitting Diode) bulbs, are becoming increasingly popular
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.
Which element is used in element bulbs as filament?
tungsten
What element is used for a filament for light bulbs?
Tungsten
What are carbon filaments for light bulbs?
Modern light bulb filaments are usually Tungsten not Carbon. However early bulbs used things like silk coated with Carbon. Filament means thin thread. The bulbs are filled with inert gas like Argon to stop the filament from burning up with oxygen. Arc lamps use Carbon rods though.
Which element is used in which element is used in light Bulbs as a filament?
Tungsten
What is element is used in light bulbs as a filament?
Usually tungsten.
What are domestic light bulbs?
Domestic light bulbs are simply the light bulbs (usually of the filament type) used in the home.
Which element is used in a light bulb filament?
Tungsten is an element. It is used in bulbs
Is a series or parallel circuit used for filament light bulbs?
parallel
Which element is used in light bulbs as the filament?
Generally, tungsten.
Which element is used to make the filament of electric bulbs?
They're made of Tungsten.
