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RTD Ri Figure 3(b) 3

RTD Ri Figure 3(b) 3

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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A resistor temperature detector (RTD) is connected as in figure 3(b) attached.

The RTD has a Resistance of 25 ohms at a temperature of 0 degrees celsius and is used to measure a temperature that is steady in time, R2=R3=25 ohms.

The Resistance of the RTD over a small temperature range may be expressed as 

  •            RRTD= R0(1+a(T-To)
  • Given that
  • R(00c)=25 ohms
  • a=0.003925/0c

R1=37.36ohms when the bridge is balanced.

Determine the temperature of the RTD

 

 

 

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