4. Thermistors measure temperature, have a nonlinear output and are valued for a limitedrange. So when a thermistor is manufactured, the manufacturer supplies a resistance vs.temperature curve. An accurate representation of the curve is generally given by1:= a, +a; In( R) + a,{In (R )}² +a; {In (R)}³Twhere T is temperature in Kelvin, R is resistance in ohms, and a,.a,az,az are constants ofthe calibration curve.Given the following for a thermistorRTohm°C1101.0 25.115911.5S0.151636.040.12050.128451.1Approximate the value of temperature in °C for a measured resistance of 900 ohms. (Useany method)

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Description: 4. Thermistors measure temperature, have a nonlinear output and are valued for a limitedrange. So when a thermistor is manufactured, the manufacturer supplies a resistance vs.temperature curve. An accurate representation of the curve is generally gi

Given The given curve (resistance vs temperature curve) is 1T=a0+a1lnR+a2lnR2+a32lnR3 and the given…

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4. Thermistors measure temperature, have a nonlinear output and are valued for a limited range. So when a thermistor is manufactured, the manufacturer supplies a resistance vs. temperature curve. An accurate representation of the curve is generally given by 1 = a, + a, In( R) + a, {In (R )}² + a, {In (R)}³ where T is temperature in Kelvin, R is resistance in ohms, and a,,a,a,,a, are constants of the calibration curve. Given the following for a thermistor R т ohm °C 1101.0 25.115 911.5 30.151 636.0 40.120 451.1 50.128

4. Thermistors measure temperature, have a nonlinear output and are valued for a limited range. So when a thermistor is manufactured, the manufacturer supplies a resistance vs. temperature curve. An accurate representation of the curve is generally given by 1 = a, + a, In( R) + a, {In (R )}² + a, {In (R)}³ where T is temperature in Kelvin, R is resistance in ohms, and a,,a,a,,a, are constants of the calibration curve. Given the following for a thermistor R т ohm °C 1101.0 25.115 911.5 30.151 636.0 40.120 451.1 50.128

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Question

4. Thermistors measure temperature, have a nonlinear output and are valued for a limited
range. So when a thermistor is manufactured, the manufacturer supplies a resistance vs.
temperature curve. An accurate representation of the curve is generally given by
1
:= a, +a; In( R) + a,{In (R )}² +a; {In (R)}³
T
where T is temperature in Kelvin, R is resistance in ohms, and a,.a,az,az are constants of
the calibration curve.
Given the following for a thermistor
R
T
ohm
°C
1101.0 25.115
911.5
S0.151
636.0
40.120
50.128
451.1
Approximate the value of temperature in °C for a measured resistance of 900 ohms. (Use
any method)

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