Question

how does an electric bulb produces light​

Answer 1

Electricity flows through a thin tungsten wire in the light bulb called the filament. ... A filament has a lot of resistance to electricity. As a result of this resistance, the filament heats up and starts glowing, converting electrical energy to light energy.

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An incandescent bulb works on the principle of incandescence, a general term meaning light produced by heat. In an incandescent type of bulb, an electric current is passed through a thin metal filament, heating the filament until it glows and produces light.

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Answer 2

Please see this attachment.