Determine the e.m.f. developed in the couple for difference of temperatures ?

Posted on 2013-12-17 14:14:00 in Engineering by JACOB

A thermo –couple is made of copper and constantan. Determine the  e.m.f. developed in the couple for difference of temperatures  of 250^o C between its junctions. Given that the thermo-electric e.m.fs of copper and constantan are 7.4 and -34.4 micro-volts per ^oC temperature difference with respect to platinum.

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