The thin spiral wire inside a torch bulb is called
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An incandescent light bulb has a small thin wire with two bigger wires holding it up. This wire is called a filament.
Filaments in incandescent light bulbs are made of tungsten. Whenever an electric current goes through the filament, the filament glows.
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filament
Explanation:
the this n spiral wire inside a bulb is known is
FILAMENT
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