What is an Incandescent Lamp?Incandescent Lamp DefinitionAn incandescent lamp is a light source that produces visible light by heating a filament until it glows.Working PrincipleThe lamp works by passing an electric current through a filament, causing it to heat up and emit light.Filament ConstructionThe filament is made of tungsten and is housed in a glass bulb that may be filled with inert gases or vacuum-sealed.Material and EfficiencyTungsten is used for its high melting point and efficiency,