Total emf produced in a thermocouple does not depend on

Total emf produced in a thermocouple does not depend on
  1. the metals in the thermocouple
  2. thomson coefficients of the metals in the thermocouple
  3. temperature of the junctions
  4. the duration of time for which the current is passed through thermocouple

Solution

Total emf produced in a thermocouple does not depend on the duration of time for which the current is passed through thermocouple.

Asked in: AP EAMCET 2012

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