The temperature of the filament, in degrees Celsius when the bulb is on the filament is made of tungsten is 2500 °C - 3000 °C.
The material used as filament is tungsten . the limit of working temperature of tungsten is 2500 °C - 3000 °C. The tungsten used as a filament in blub because it is an alloy. tungsten have high melting point. tungsten does not burn at room temperature because of high resistivity , it glows the bulb at high temperature.
Thus, The temperature of the filament, in degrees Celsius when the bulb is on the filament is made of tungsten is 2500 °C - The3000 °C.
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