Electric power is the rate at which electric energy is transferred by an electric circuit. The SI unit of power is the watt, one joule per second.
Electric power is usually produced by electric generators, but can also be supplied by chemical sources such as electric batteries. Electric power is generally supplied to businesses and homes by the electric power industry.
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Famous quotes containing the words electric and/or power:
“That’s the down-town frieze,
Principally the church steeple,
A black line beside a white line;
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A black line drawn on flat air.”
—Wallace Stevens (1879–1955)
“The power of generalizing ideas, of drawing comprehensive conclusions from individual observations, is the only acquirement, for an immortal being, that really deserves the name of knowledge.”
—Mary Wollstonecraft (1759–1797)