Emf developed by a thermocouple while measuring a temperature of 400°C is 22 mV ___

Emf developed by a thermocouple while measuring a temperature of 400°C is 22 mV.

The type of thermocouple used is

A. chromel-alumel
B. iron-constantan
C. platinum-rhodium
D. platinum-platinum+rhyodium

Show Answer

Answer: B

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