The spectrum of ordinary incandescent and halogen lamps is continuous

Date:Nov 02, 2019

Ordinary incandescent lamps and halogen lamps have a continuous spectrum, which is the closest to the natural spectrum. And, because alternating current heats filament first, filament gives off heat to shine again first, because filament has heat capacity, when so power source changes, filament still is hot, light and shade change won't resemble fluorescent lamp (fluorescent lamp) so obvious, but the energy efficiency of incandescent lamp is very low, had been listed by the country eliminate commodity

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