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What is an Incandescent Lamp?

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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.

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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