Karni, Shlomo Department of Electrical and Computer Engineering, University of New Mexico, Albuquerque, New Mexico.
Last reviewed:January 2020
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The connection of a specific circuit (called the load) to another circuit. Illustrationa shows a source of electrical energy (S), a coupling circuit (C), and a load (L). In power transmission, S is the generator of the power plant, C represents the connecting transmission lines and transformers, and L is, for instance, a household with its electrical appliances. The entire system operates to supply the load demand of L, that is, the electrical energy required by the load. In a high-fidelity sound system, S is the output of the phonograph cartridge or the tape playback head, C is the amplifier, and L is the coil of the loudspeaker. See also: Electric power systems; Sound-reproducing systems
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