Thomas A. Edison
An incandescent light bulb, incandescent lamp or incandescent light globe is an electric light which produces light with a wire filament heated to a high temperature by an electric current passing through it, until it glows.
Filament is a thin part of incandescent bulb which is the source of electric light that electric current passes through and heated it until it produce light.
The electric current passing through the filament in an incandescent light bulb heats it up. This causes the filament to glow and produce visible light.
Incandescent light bulbs use a tungsten filament as the element that emits light when heated by an electric current.
Incandescent light bulbs produce light when a filament made of tungsten wire is heated by an electric current flowing through it. The filament glows and emits light as it reaches high temperatures.
Electric lamps having incandescent filaments.
The filament in an incandescent light bulb is typically made of tungsten.
Incandescent light bulbs use a filament made of tungsten to produce light. The filament heats up when an electric current passes through it, emitting light as a result.
James watt
The filament is usually made from wolfram (W) and the filling gas is argon.
Incandescent lamps have continuous emissions of light because they work by heating a filament wire until it glows and produces light. This continuous emission of light comes from the constant heating of the filament by an electric current passing through it.
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