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Bulbs

Bulbs

The structure of the Bulbs is very simple. Its bottom, there are two metal contact points, is used to connect the electricity. Metal contact points, the two come into contact with a thin metal filament line. The central filament is located in the bulb by a glass support to live. Package line and the filament inside the glass bulb filled with inert gas, usually argon inert gas when the light bulb connected to the power, the current will flow from one contact point to another point of contact and then flow lines and filament . A large number of free electrons in the solid conductor line current from the negative charged area to move to the positive charged area. Vibration of atoms jump electronics may be temporarily pushed to a higher energy position. When they fall back to the original normal position, electrons, photons form of the release of additional energy. Metal atoms to release most of the infrared light photons, people's eyes can see. But if they are heated to approximately 4000 degrees Fahrenheit when the light bulb will send a lot of visible light. Tungsten are used in almost all incandescent bulbs, because it is the ideal filament material.