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(c) Figure 2 shows a Wheatstone bridge circuit used in a temperature sensing application. The Wheatstone bridge is balanced with R1 = 10 k2, and R2 = 1925 i. Derive an expression for the ratio of resistances in the balanced con- dition. ii. Find R, if Ry is 1 k? at 25°C. iii. Calculate the bridge's Thévenin voltage and resistance as "seen" at the output terminals vAB for Ry = 10k2, R = 1925 Ra = 1 kf2, R, as calculated above, and V, = 30 V. R1 R3 Vs R2 R4 A B Vout +1)

(c) Figure 2 shows a Wheatstone bridge circuit used in a temperature sensing application. The Wheatstone bridge is balanced with R1 = 10 k2, and R2 = 1925 i. Derive an expression for the ratio of resistances in the balanced con- dition. ii. Find R, if Ry is 1 k? at 25°C. iii. Calculate the bridge's Thévenin voltage and resistance as "seen" at the output terminals vAB for Ry = 10k2, R = 1925 Ra = 1 kf2, R, as calculated above, and V, = 30 V. R1 R3 Vs R2 R4 A B Vout +1)

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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(c) Figure 2 shows a Wheatstone bridge circuit used in a temperature sensing application. The Wheatstone bridge is balanced with R1 = 10 k2, and R2 = 1925 i. Derive an expression for the ratio of resistances in the balanced con- dition. ii. Find R, if Rg is 1 kl at 25°C. ii. Calculate the bridge's Thévenin voltage and resistance as "seen" at the output terminals vAB for R = 10k2, R2 = 1925 Ry = 1 k2, R4 as calculated above, and V, = 30 V. R1 R3 Vs R2 R4 Vout Figure 2: Wheatstone bridge +
Transcribed Image Text:(c) Figure 2 shows a Wheatstone bridge circuit used in a temperature sensing application. The Wheatstone bridge is balanced with R1 = 10 k2, and R2 = 1925 i. Derive an expression for the ratio of resistances in the balanced con- dition. ii. Find R, if Rg is 1 kl at 25°C. ii. Calculate the bridge's Thévenin voltage and resistance as "seen" at the output terminals vAB for R = 10k2, R2 = 1925 Ry = 1 k2, R4 as calculated above, and V, = 30 V. R1 R3 Vs R2 R4 Vout Figure 2: Wheatstone bridge +
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