CGPET 2017 Solved Paper

Section: Physics
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Question : 8 of 150
 
Marks: +1, -0
A thermocouple produces a thermo-e.m.f. of 40µV∕‌°C. A thermopile is made by using 150 such thermocouples. The temperatures of the two junctions are 20°C and 40‌°C. How much thermo-emf will be generated in the thermopile?
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