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Q.

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

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a

α+β2T

b

α+βT

c

αT22+βT36

d

α/2β

answer is B.

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Detailed Solution

Thermo-electric powerS=dEdT=α+βT
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