Incandescent light bulbs produce visible light by heating a tungsten filament wire to a high temperature through resistive heating, emitting light that closely resembles fire's spectrum.
An incandescent light bulb produces visible light by heating a filament wire inside the bulb to a high temperature. The filament, typically made of tungsten, glows white-hot when an electrical current passes through it, emitting light.
Incandescent bulbs convert electrical energy into both light and heat. The process of resistive heating causes the filament to emit visible light.
The light emitted by incandescent bulbs closely resembles the emission spectrum of fire, providing a warm and pleasing light but is not as energy-efficient as LED or fluorescent bulbs.
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