Ampuller

[Construction – Section 100]

BULBS

There were also osmium or coal used. However, even with this material, the light desirable for daylight color temperature of about 6200 K not reach as tungsten at this temperature is already gaseous. In practically achievable temperatures of about 2300 ° C to 2900 ° C can be reached no daylight, and no white light; bulb lights are therefore always clearly yellow-red like than white or daylight.

There is a fellowship huge of types of bulbs. The classic bulb has a pear-shape. The second is the well-known candle-shaped bulb, but a smaller and thinner base. For refrigerators use smaller bulbs, which operate with fewer watts. In markets and stores there are now in various colors such as red, blue or yellow, for different decorative wishes.

Other forms or types of incandescent lamps are, lights, but also hallogen lamps, fluorescent light bulbs and neon tubes, or fluorescent lamps. As a neon tube is referred to a lighthouse, the tube filled with the gas neon, and at a voltage of 100 volts to 1000 (intense) red lights. Here, the glass is not dyed. The gas itself is illuminated in red. As a fluorescent tube called a down pressure gas lamp the inside with a fluorescent coating. They are consumptioning compared to a normal light bulb less electricity.

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