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Today General Knowledge(GK)
The filament of an electric bulb is made of
A)
Graphite
B)
Tungsten
C)
Iron
D)
None of the above

Correct Answer : Option (B) - Tungsten



Incandescent light bulbs consist of an air-tight glass enclosure (the envelope, or bulb) with a filament of tungsten wire inside the bulb, through which an electric current is passed.

Published On : June 7, 2021
Category : Science and Technology
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