Jones, Edwin C., Jr. Department of Electrical Engineering, Iowa State University, Ames, Iowa.
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The power loss caused by the flow of current through copper conductors. When an electric current flows through a copper conductor (or any conductor), some energy is converted to heat. The heat, in turn, causes the operating temperature of the device to rise. This happens in transformers, generators, motors, relays, and transmission lines, and is a principal limitation on the conditions of operation of these devices. Excessive temperature rises lead to equipment failure. See also: Conductor (electricity)
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