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Joule's law
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noun Physics.
the principle that the rate of production of heat by a constant direct current is directly proportional to the resistance of the circuit and to the square of the current.
the principle that the internal energy of a given mass of an ideal gas is solely a function of its temperature.
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Origin of Joule's law
First recorded in 1850–55; named after J. P. Joule
Words nearby Joule's law
jouissance, jouk, Joukahainen, joule, Joule effect, Joule's law, Joule-Thomson effect, jounce, jour., Jourdan, journ.
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
British Dictionary definitions for Joule's law
Joule's law
noun
physics the principle that the heat produced by an electric current is equal to the product of the resistance of the conductor, the square of the current, and the time for which it flows
thermodynamics the principle that at constant temperature the internal energy of an ideal gas is independent of volume. Real gases change their internal energy with volume as a result of intermolecular forces
Word Origin for Joule's law
C19: named after James Prescott Joule
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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