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When different parts of a metal are kept at different temperature and current is passed through it, heat is either evolved or absorbed. The effect is called A. Peltier effect B. Seebeck effect C. Thompson effect D. Joule effect

When different parts of a metal are kept at different temperature and current is passed through it, heat is either evolved or absorbed. The effect is called
A. Peltier effect B. Seebeck effect C. Thompson effect D. Joule effect

Grade:Upto college level

2 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
3 years ago
Seebeck effect - if two junctions of a thermocouple are kept at different temperatures, an electric current will be induced in the loop.
Peltier effect-the cooling of one junction and the heating of the other when electric current is maintained in a circuit of material consisting of two dissimilar conductors and it is called Peltier effect.
Joule effect - thisis the process by which the passage of anelectric currentthrough conductorreleases heat.
Thomson effect - if two sections of a conductor are at different temperatures then emf is developed between these two sections.
Vikas TU
14149 Points
3 years ago
The phenomenon of evolution or absorption of heat along with the length of a conductor on passing current through it when its two ends are kept at a different temperature is known as Thomson's effect.

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