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The filament of an electric bulb is made...

The filament of an electric bulb is made of

A

Iron

B

Copper

C

Tungsten

D

Lead

Text Solution

Verified by Experts

The correct Answer is:
C
The filament of the electric bulb is made of tungsten. Tungster is used a lot in the fibres of electric bulbs. Tungsten is being used in X-ray equipment, thermionic walls, electrical joints etc. The atomic number of tungsten is 74. Its atomic weight is 184.
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