J & K CET Engineering J and K - CET Engineering Solved Paper-2009

  • question_answer
    When the cold and hot junctions of a thermocouple are interchanged, the thermo emf

    A)  changes sign   

    B)  remains the same

    C)  becomes zero  

    D)  is doubled

    Correct Answer: B

    Solution :

    The thermoemf of thermocouple does not change when the cold and hot junctions of a thermocouple are interchanged, its direction of remains the same.


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