which material to make filament bulb
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tungsten
The filament used in the bulb is tungsten. It is a rare metal extracted from the ores of wolframite and scheelite. It is a lustrous and silvery white metal. Tungsten has the highest melting point.
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Tungsten is used to make filament bulb
Because, tungsten has high melting point and it helps the bulb to glow for more time.
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