Question

why is tungsten used to make the fillament of an electric bulb

Answer 1

Light bulbs glows when electricity is passed through the filament. High melting point tungsten has melting point of 3422C so it doesn't melt when current is passed it doesn't melt.Tungsten apart from having high melting point also has high tensile strength.


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Answer 2

Tungsten is used to make the filament of the bulb because it does not melts due to high temperature of the bulb because of its high melting point which is about 3422℃.