why is the tungsten used almost exclusively for filament of electrical lamp?
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Tungsten metal is used exclusively for making the filament of electric bulbs because it has a very high melting point. Due to its high melting point, the tungsten filament can be kept white hot without melting away.
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Answer:
Tungsten used almost exclusively for filament of electrical lamp because,
1. It has high melting point.
2. It has high resistivity.
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