How light bulb works
Anincandescentbulbworksontheprincipleofincandescence,ageneraltermmeaninglightproducedbyheat.Inanincandescenttypeofbulb,anelectric ...,,,2021年11月26日—Thebulbisgenerallymadeofglass,withinwhichisavacuum.Thevacuumhelpsinextendingthelifeofthelightbu...
How does a lightbulb actually work?
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2013年11月1日—Essentially,thelightbulbisaverythinfilamentofhard-to-meltmetal–tungsten,usually–encasedinaglassbulbfilledwithinertgases ...
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