Which of the following is the part of an electric bulb that emits light?
A
Core
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B
Filament
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C
Metal base
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D
Glass bulb
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Solution
The correct option is B Filament A filament is the part of an electric bulb that glows. The filament is made of a tungsten. It is a thin spring like wire attached to the two metal wires inside the glass bulb as shown below.