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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 is made out of glass and metal. It is filled with an inert gas such as argon. This gas helps to slow down the deterioration of the metal filament. 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 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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