tungsten-halogen lamp![click to hear](/images/speaker.jpg)
Lamp that is brighter and lasts longer than a traditional incandescent lamp, but that lets off more heat.
base ![click to hear](/images/speaker.jpg)
Metal end of a lightbulb inserted into a socket to connect it to the electric circuit.
electric circuit ![click to hear](/images/speaker.jpg)
Lamp component allowing the electric current to circulate through the tungsten filament.
inert gas ![click to hear](/images/speaker.jpg)
Gas inserted in the bulb to slow down evaporation of the filament; iodine or bromine are added as they combine with the tungsten at high temperatures.
tungsten filament ![click to hear](/images/speaker.jpg)
Very thin metal wire emitting light rays when an electric current passes though it.
filament support ![click to hear](/images/speaker.jpg)
Metal wire holding the filament.
bulb ![click to hear](/images/speaker.jpg)
Gas sealed in a glass envelope into which the luminous body of a lamp is inserted.
tungsten-halogen lamp ![click to hear](/images/speaker.jpg)
Lamp that is brighter and lasts longer than a traditional incandescent lamp, but that lets off more heat.
pin ![click to hear](/images/speaker.jpg)
Cylindrical metal part that establishes electric contact when inserted into the corresponding outlet.