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Q.

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


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a

Copper

b

Aluminium

c

Tungsten

d

Nichrome  

answer is C.

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Detailed Solution

The filament of an electric bulb is made of a thin wire of tungsten.
An electric bulb's thin filament glows and gives off light and heat, which is made of tungsten. Tungsten, or wolfram (w), is a rare metal found naturally on Earth almost exclusively combined with other elements in chemical compounds rather than alone. It was identified as a new element in 1781 and first isolated as a metal in 1783.
 
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