Science

Question

Of what element is the filament of bulb made?

ANDY92 · Answer

The filament is the part of the light bulb that produces light. Filaments in incandescent light bulbs are made of tungsten. Whenever an electric current goes through the filament, the filament glows. It may also be known as the electron emitting element in a vacuum tube

RohitRaj488 · Answer

In a bulb there are thin wires which hold a tiny wire on their end it's called a fikament. The filament of a bulb is made of Tungsten, when current passes through it due to its resistance. It heats up and glows as light. Other explanation is these Tungsten when heated up emit

Sal-b · Answer

Tungsten is the element used for the filament of a lightbulb. When an electrical current is passed through the filament of Tungsten it glows emitting light.

satis · Answer

The filament of the bulb is made of Tungsten as it has a high melting point and emits bright light.The problem is that, at the typical temperature of operation at about 2700K, Tungsten oxidized rapidly. So, the inside of bulb is kept vacuum in order to prevent oxidation of the element and so to prolong the life of the filament.

saurabh18071 · Answer

The filament of a bulb is generally made up of tungsten metal. The tungsten has a high melting point so that it can bear the higher operating temperatures and has a good tensile strength which helps to hold the wire in position so that it won't get expanded during heating of the bulb.

Tristansolo · Answer

the filement is made from tungsten .

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