Q.Which of the following is a low cost thermocouple?

• AIron-constantan
• BChromel-constantan
• CRhodium-constantan
• DTungsten-constantan
Correct Answer : (A)

Iron-constantan

Hints :

Iron-constantan is a low cost thermocouple.

Which of the following are Integrating instruments?

Resistances can be measured with the help of