❤Tungsten metal is used to make a solenoid type coil in an electric bulb. ❤
Answers
Explanation:
They should care more about pollution, because it also affects the health, sometimes leads to death of the population. Is important to mention that per year millions of people can be affected.
Answer:
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Explanation:
Tungsten is a greyish-white lustrous metal, which is a solid at room temperature. Tungsten has the highest melting point and lowest vapor pressure of all metals, and at temperatures over 1650°C has the highest tensile strength. It has excellent corrosion resistance and is attacked only slightly by most mineral acids.
The tungsten filament of a halogen lamp has two purposes. One is to generate light, and the second is to generate the heat necessary to obtain a wall temperature exceeding 250˚C. These lamps have been designed to maintain this required wall temperature when operated at design voltage.
the filament used in an electric bulb has to get heated up to a very high temperature in order to emit light.
if a filament of low melting point is used it will melt and the bulb will become useless.
therefore wires of high melting points are preferred.
tungsten has a very high melting point, therefore, it is used as a filament in the electric bulb.