Chemical Engineering - Process Control and Instrumentation - Discussion

Discussion Forum : Process Control and Instrumentation - Section 6 (Q.No. 25)
25.
With increase in temperature, the electrical conductivity of the platinum used in the resistance thermometer
increases
decreases
remains constant
increases exponentially
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
1 comments Page 1 of 1.

M A Shetty said:   7 years ago
Platinum is a conductor.

It is a positive temperature coefficient of the device. Hence resistance will be increased if the temperature is increased and conductivity decrease.

Post your comments here:

Your comments will be displayed after verification.