Physics-
General
Easy

Question

The cold junction of a thermocouple is maintained at 10 degree C. No thermo e.m.f. is developed when the hot junction is maintained at 530 degree C. The neutral temperature is

  1. 260 degree C    
  2. 270 degree C    
  3. 265 degree C    
  4. 520 degree C    

The correct answer is: 270 degree C


    T subscript n end subscript equals fraction numerator T subscript i end subscript plus T subscript c end subscript over denominator 2 end fraction equals fraction numerator 10 plus 530 over denominator 2 end fraction equals 27 0 to the power of o end exponent C

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