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What is an Incandescent Lamp?

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Encyclopedia
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China


What is an Incandescent Lamp?



Incandescent Lamp Definition


An incandescent lamp is a light source that produces visible light by heating a filament until it glows.


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Working Principle


The lamp works by passing an electric current through a filament, causing it to heat up and emit light.


 

Filament Construction


The filament is made of tungsten and is housed in a glass bulb that may be filled with inert gases or vacuum-sealed.


 

Material and Efficiency


Tungsten is used for its high melting point and efficiency, making it suitable for high-temperature operation.


 

Construction and Working of Incandescent Lamp


The lamp’s construction includes a tungsten filament, lead wires, and a glass bulb, while its operation relies on heating the filament to produce light.

 

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