i believe it is cadnium.
tungsten
Thomas Edison It was actually Irving Langmuir (of General Electric), also an American. Edison's incandescent lamp used a carbon filament, as did that of his contemporary, England's Joseph Swan who got there before Edison (who invented a longer lasting carbon filament). William Coolidge improve on Langmuir's filament by making it longer (the familiar twisted shape) and brighter. Humphrey Davy had invented a platinum filament way back in 1809 that worked, but was too expensive for commercial use. Those that followed him failed to cotton on to the use of a metallic filament and went for carbon instead. What Tomas Edison can claim is the 'development' of a commercially useful light bulb using a carbon filament - though this was superseded by the tungsten filament not long after.
No, incandescent bulbs typically contain a filament made of tungsten. Platinum is a rare and expensive metal that is not commonly used for this purpose due to its cost and lower melting point compared to tungsten.
Incandescent light bulbs have filaments which are made mainly from the element tungsten and/or alloys which include tungsten.Tungsten is the metal element used for the filaments in incandescent light bulbs.Experiments were made with different materials to use as the filament, including natural fibres, pure metals and alloys of different metals, to find the material which had the longest life whilst glowing brightly enough to give out visible light. The metal Tungsten was found to be the best, because of its high melting point (almost 3700 K) and good resistance to electrical current.For more information see the answer to the Related Question shown below.Carbonized cotton was originally tried, and had moderate success. However, the material that finally worked the best was a filament made of tungsten, which shone brighter and lasted much longer.It is made up of Tungsten which have an melting point of 3380 degree Celsius.
Zirconium is not used in incandescent lamps.
tungsten
Tungsten
The material used in the construction of a light bulb filament is typically tungsten.
tungsten
Tungsten ( chemical name Wolfram ) is used for the filament of an incandescent lamp. This is due to ability for making fine guage Tungsten wires , mechanical strength of such wires and the High melting point , which is considerably more than the normal operating temperature of the filament.
The filament used in a fluorescent lamp is made of a coated tungsten coil. When electricity passes through the coil, it excites the mercury vapor inside the lamp, producing ultraviolet light that then interacts with the phosphor coating on the inside of the lamp to produce visible light.
The filament in traditional incandescent light bulbs is typically made of tungsten. Tungsten has a high melting point and is able to emit light efficiently when heated by an electric current.
The first successful light bulb filaments were made of carbon (from carbonized paper or bamboo). In 1902 the Siemens company developed a tantalum lamp filament. From 1898 to around 1905 osmium was also used as a lamp filament. In 1906 the tungsten filament was introduced
I believe it is tungsten.
Tungsten is used as the filament in light bulbs because it has a very high melting point, allowing it to withstand the high temperatures generated when electricity flows through it, producing light efficiently. Additionally, tungsten is a very durable material, which contributes to the longevity of the light bulb.
tungsten
Tungsten is commonly used as the filament in incandescent light bulbs because of its high melting point and durability.