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Joule's law is a physical law expressing the relationship between the heat generated by, and the current flowing in, a conductor. It is named for James Prescott Joule who studied the phenomenon. It is expressed as:
- where Q if the heat generated by a constant current I flowing through a conductor of electrical resistance R, for a time t. When current, resistance and time are expressed in ampere, ohm, and second respectively, are used, Q is calculated in joule. See also: Peltier-Seebeck effect
This article is licensed under the GNU Free Documentation License. It uses material from Wikipedia Encyclopedia article "Joule's Law" |