Question 1 Consider using a pair of strain gauges attached on a beam to measure tensile stress that the beam is subject to, as shown in Fig. 1 (a). The measurement system is a bridge circuit consisting of two strain gauges and two fixed resistors as shown in Fig. 1 (b). The supply voltage is V, gauge factor for both gauges is G, the bridge is balanced (R1 = R2, Rg1 = Rg2) when there is no force applied. Rg1 R1 Rg1 (dummy) Vs V R$2 (active) A B Rg2 R2 T Fig. Q1 (a) Fig. Q1 (b) (a) When a small tensile force is applied to the beam, derive the output voltage V, in terms of the given parameters and the strain e.
Question 1 Consider using a pair of strain gauges attached on a beam to measure tensile stress that the beam is subject to, as shown in Fig. 1 (a). The measurement system is a bridge circuit consisting of two strain gauges and two fixed resistors as shown in Fig. 1 (b). The supply voltage is V, gauge factor for both gauges is G, the bridge is balanced (R1 = R2, Rg1 = Rg2) when there is no force applied. Rg1 R1 Rg1 (dummy) Vs V R$2 (active) A B Rg2 R2 T Fig. Q1 (a) Fig. Q1 (b) (a) When a small tensile force is applied to the beam, derive the output voltage V, in terms of the given parameters and the strain e.
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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