Light Bulb tutorial-2

Key

Base: The part of the bulb inserted into a socket.
Filament: Made of tungsten this heats up and emits the light.
Button: Used to support the filament.
Press leads: Two pieces of wire of which the filament forms the middle part.
Solder contacts: The part of the bulb which makes contact with the bulb socket and feeds the electricity through the bulb.
Stem: A thin glass rod which supports the button.

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