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Question

The filament of an electric bulb is made of a thin wire of:

A
Nichrome
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B
Copper
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C
Tungsten
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D
Aluminium
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Solution

The correct option is C Tungsten
The filament of an electric bulb is made of tungsten because it has some amazing properties including the highest melting point (3422
°C), the lowest vapour pressure, and the greatest tensile strength among all the metals.

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