A) The temperature of junction at which thermo emf is maximum, is called the neutral temperature
B) The temperature of the hot junction at which thermo emf changes its sign, is called the inversion temperature
C) If \[{{\theta }_{c}},{{\theta }_{i}}\] and \[{{\theta }_{n}}\] denote the temperature of cold junction, inversion temperature and neutral temperature respectively, then\[{{\theta }_{n}}-{{\theta }_{c}}={{\theta }_{i}}-{{\theta }_{n}}\]
D) All of the above
Correct Answer: D
Solution :
All are basic characteristics of See back effect.
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