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The algebraic sum of e.m.f.s in a circuit containing thermocouples is __________(a) infinite(b) hundred(c) zero(d) tenI had been asked this question in quiz.The query is from Thermoelectric Transducer in chapter Transducers of Electrical Measurements |
Answer» CORRECT CHOICE is (c) zero The BEST I can explain: In a CIRCUIT consisting of many thermocouples, the algebraic SUM of the e.m.f.s produced is zero. It remains constant with temperature. |
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