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The temperature of the filament of an incandescent light bulb is between approximately 2800 and 3700 Kelvin. This is somewhere between 4500 and 6200 degrees Fahrenheit. More »

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Filaments in light bulbs, specifically incandescent bulbs, are made of tungsten because tungsten has a high melting point and is able to withstand heat and corrosion. Tungsten is one of the most durable types of filament... More »

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Tungsten is the element used in incandescent light bulb filaments, because it has a very high melting point. Tungsten is a metal with an atomic number of 74, and its atomic weight is 183.84 grams per mole. This metal has... More »

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An incandescent light bulb uses electricity to heat up a tungsten wire encased in a glass shell until it glows. Because this light source also gives off heat, it is often used in incubators and lava lamps and to speed th... More »

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A type A light bulb is the typical incandescent light bulb. It has a round top and a tapered bottom that allows it to be screwed into most light fixtures, and it can come in a brightness of 40, 60, 75 or 100 watts, altho... More »

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A 60 watt type-A light bulb is an incandescent electric light source; it operates with 60 watts of power and has the traditional bulb shape that is categorized as type A. Incandescent bulbs use a tungsten filament that g... More »

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An incandescent light bulb emits 90 percent of the energy it uses as heat. Thus, a 75-watt light bulb produces 68 watts as heat. Most of the power used goes to heating up a tungsten filament, which glows at 4,600 degrees... More »

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