Power dissipation per unit volume formula in a conductor
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Joule heating, also known as Ohmic heatingand resistive heating, is the process by which the passage of an electric current through a conductor produces heat.
Joule's first law, also known as the Joule–Lenz law,[1] states that the power of heating generated by an electrical conductor is proportional to the product of its resistanceand the square of the current:
{\displaystyle P\propto I^{2}\cdot R}
Joule heating affects the whole electric conductor, unlike the Peltier effect which transfers heat from one electrical junction to another.
Joule's first law, also known as the Joule–Lenz law,[1] states that the power of heating generated by an electrical conductor is proportional to the product of its resistanceand the square of the current:
{\displaystyle P\propto I^{2}\cdot R}
Joule heating affects the whole electric conductor, unlike the Peltier effect which transfers heat from one electrical junction to another.
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