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Light bulb filaments are usually made of tungsten, which has a very high melting point. Occasionally carbon is used as a filament.
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∙ 8y ago
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What element is used for a filament for light bulbs?
Tungsten
Why are V-i characterstics different for tungsten and carbon lamp?
As carbon filament bulbs have a negative temperature coefficient and tungsten filament light bulbs have a positive temperature coefficient.
A gas used in house light bulbs?
Argon. As an inert gas, it makes the filament last longer. Some light bulbs also use Krypton.
Suggest the physical property that can render tungsten suitable for making filament of tungsten light bulb?
The physical property that can render tungsten suitable for making filament of tungsten light bulbs is incandescence.
What elements are used in light bulbs?
Any noble gas except helium, or beryllium used in WWII is now dangerous or tungsten, copper, zinc, nickel, fluorine, mercury, titanium, and carbon Tungsten Filament is used in Incandescent Lamps and Fluorescent Lamps Tungsten and Argon are used in incandescent light bulbs. Tungsten (chemical symbol 'W', 74)
What elements are in light bulbs?
tungsten filament, aluminum base
What elements are in incandesant light bulbs?
tungsten filament, aluminum base
What makes up the filament of light bulbs?
Filament of light bulbs are made up of Tungsten.
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.
What happens to the filament when light bulbs blows?
The filament breaks.
Why do light bulbs have the coil in the middle?
That is the filament. Electricity traveling through the filament heats it to the point of glowing brightly - that is the light bulbs "light".
What is in filament of light bulbs?
tungsten
How available are filament light bulbs?
I have not had any problem obtaining incandescent light bulbs.
What is the thickness of the filament in light bulbs?
the filament is neither too thick nor too light
What are domestic light bulbs?
Domestic light bulbs are simply the light bulbs (usually of the filament type) used in the home.
Does a car use filament?
The light bulbs do.
How efficient is a filament light bulb?
about 10% the filament light bulbs give off about 90% heat and 10% light
