Everyday SciencePhysics
Tungsten is used for the manufacture of the filament of an electric bulb, because
It is a good conductor
It is economical
It is malleable
It has a very high melting point
It has a very high melting point
Tungsten is used in electric bulb because it has high melting point and it does not oxidize. Thus tungsten filament does not melt even when a large amount of heat is produced due to passage of current through the filament (via heating effect of current).
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