Definitions for joule effect

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Freebase

  1. Joule effect

    Joule effect and Joule's law are terms commonly used to refer to any of several different physical effects discovered or characterized by English physicist James Prescott Joule. These physical effects are not the same, but all are frequently or occasionally referred to in literature as the "Joule effect" or "Joule law" These physical effects include: ⁕Joule's first law, a physical law expressing the relationship between the heat generated and current flowing through a conductor. ⁕Joule's second law states that the internal energy of an ideal gas is independent of its volume and pressure, depending only on its temperature. ⁕Magnetostriction, a property of ferromagnetic materials that causes them to change their shape when subjected to a magnetic field. ⁕The Joule–Thomson effect, the temperature change of a gas when it is allowed to expand freely. ⁕The Gough–Joule effect or the Gow–Joule effect, which is the tendency of elastomers to contract if heated while they are under tension.

The Standard Electrical Dictionary

  1. Joule Effect

    The heating effect of a current passing through a conductor. It varies with the product of the resistance by the square of the current, or with (C^2)*R.

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