The principle of illumination of all incandescent lamps is realized by the principle of object heating and the principle of thermal radiation. The simplest incandescent lamp is to conduct enough current to the halogen bulb. When the filament is heated to incandescence, it will emit light, but this kind of light The life of an incandescent lamp can be quite short. The incandescent lamps currently seen use the following various technologies, the purpose of which is to make the incandescent lamp have a longer life and more convenient to use: vacuum glass tube (to reduce the degree of oxidation of the filament), lamp foot (for your convenience) Plug in the lamp holder), fill with inert gas (increasing the brightness of the lamp and the service life) and so on.
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