Electronics and Communication Engineering - Measurements and Instrumentation - Discussion

Discussion Forum : Measurements and Instrumentation - Section 5 (Q.No. 25)
25.
Which of the following closely represents the resistance-temperature characteristics of thermistor?
RT = a R0 eb/t
RT = a R0 E-b/t
RT = - a R0 e-b/t
RT = - R0 eb/t
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
1 comments Page 1 of 1.

Electo said:   9 years ago
The answer should be (b) as nowhere in the question it is mentioned that a and b are positive or negative. And also a thermistor has highly non-linear positive characteristics. So it should be a negative power of e.

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