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Home  Fundamentals A.C. Circuits Power Factor |
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| See also: Heating Effects of Currents, Measurement of Power Output | ||
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Power FactorAuthor: J.B. Hoag The power (watts) lost as heat in an a.c. circuit occurs in the resistance alone and is equal to I2R. The power consumed in d.c. circuits is given by EI (volts · amperes). This product, in a.c. circuits, may be several times the actual power lost. The power factor of an a.c. circuit is defined by
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Last Update: 2009-11-01