A thin wire that emits light in a bulb is known as _____.

insulator

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filament

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reflector

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refractor

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Solution

The correct option is B filament

The thin wire that emits light is known as the filament of the bulb.

It is generally made up of tungsten.

When current passes through it, it heats up and glows.

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The thin wire that gives off light in a bulb is known as ___ .

The thin wire that gives off the light in a bulb is known as a filament .

λ = 4500 \circ A

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