Sagot :

The Tungsten filament, Exhaust Tube, Lead Wire, dumet wire, Stem, Fuse And Gas Filling

The thing inside the glass bulb of an incandescent lamp ---> is a filament which is visible as the horizontal line between the vertical supply wires.

The said filament heated to a high temperature, by passing an electric current through it, until it glows with visible light (incandescence).

The hot filament is protected from oxidation with a glass or quartz bulb that is filled with inert gas or evacuated.

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