如何确定变压器的参数:Fluorescent lamps have applications in most areasof lighting, where they give longer lifetime and lowerpower consumption for equivalent light outputcompared to filament bulbs, with the disadvantageof higher initial cost. In operation, a voltage is appliedacross the ends of a sealed glass tube containingmercury vapour, causing the vapour to be ionised.This ionised vapour radiates light in the ultra violetpart of the spectrum, which is converted to visiblelight by a fluorescent coating on the inside of the tube.
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