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  4. The relation between Seebeck coefficient S and Peltier coefficient π is given by

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Q. The relation between Seebeck coefficient $S$ and Peltier coefficient $\pi$ is given by

UP CPMTUP CPMT 2012Current Electricity

Solution:

Peltier coefficient, $\pi=T \frac{d\varepsilon}{dT}$
Seebeck coefficient, $S=\frac{d\varepsilon}{dT}$
$\therefore \pi=TS$ or $S=\frac{\pi}{T}$