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Questions  

The e.m.f. developed in a thermo-couple is given byE=αT+12βT2 where T is the temperature of hot junction, cold junction being at 0°C. The thermo electric power of the couple is

a
α+β2T
b
α+βT
c
αT22+βT36
d
α/2β

detailed solution

Correct option is B

Thermo-electric powerS=dEdT=α+βT

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