why tungsten used for filament of electric lamps
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Answered by
31
Because tungsten wire has high resistance. So they are used in electric lamp.
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Answered by
25
Tungsten is used almost exclusively for making the filaments of electric lamps because it has a very high melting point(3380deg C) due to which the tungsten filament can be kept white-hot without melting away. Moreover, tungsten has high flexibility and low rate of evaporation at high tempreture.
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