Question

Why is tungsten used almost exclusively for filament of electric lamps? ​

Answer 1

Tungsten is used as the filament in incandescent light bulbs because it has the highest melting point of any metal (greater than 3400 deg. Celsius) and the higher the temperature, the greater the efficiency and whiter the light.

Answer 2

Step-by-step explanation:

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- Tungsten is used almost exclusively for filament of electric lamps because the thin wire of tungsten has high resistance and high melting point (3410°C). When a current is passed through it, it becomes hot and Emits light

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