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Incandescence Lamp
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Description: "Incandescence lamps operate essentially on the principle...[that] the current being sent through some substance that, because of its high resistance, becomes intensely heated and brilliantly incandescent. The only suitable substance known for such a resistance filament is carbon, which, carefully prepared and bent into a loop, is enclosed in a glass bulb from which the air is exhausted to prevent oxidation, i.e., combustion." -Avery 1895
Source: Elroy M. Avery School Physics (New York: Sheldon and Company, 1895) 543
Keywords: incandescence, lamp, carbon, current, resistance
Copyright: 2009, Florida Center for Instructional Technology. See license.
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