The working principle of the incandescent light bulb is that when the current passes through the filament, the heat is generated, and the heat is gathered by the filament. The higher the temperature of the filament, the brighter the light is. It is called incandescent light bulb.
The life of an incandescent light bulb is related to the temperature of the filament, because the higher the temperature, the easier it is to rise, and the shorter the life span.
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