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Seebeck effect
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Seebeck effect.
Image: National Physical Laboratory, UK
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The generation of an electric current (or electromotive force) when two conductors of different metals are joined at their ends to form a circuit, with the two junctions kept at different temperatures. The Seebeck effect is the basic operating principle of the thermocouple. It is named after the German physicist Thomas Seebeck (1770-1831) who discovered it in 1821. See also Peltier effect.
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