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7. A strain gauge is used to measure applied strain through a quarter Wheatstone bridge circuit as shown below, where Rx represents the active strain gauge. If the quarter-bridge is originally balanced and then the resistance of the active strain gauge is increased under a tensional force F, the differential voltage V₂ = VA - VB will be a (b) negative value (i.e. V < 0) (a) positive value (i.e. V > 0) R₂ R₁ V, VA R3 FR₂ VB

7. A strain gauge is used to measure applied strain through a quarter Wheatstone bridge circuit as shown below, where Rx represents the active strain gauge. If the quarter-bridge is originally balanced and then the resistance of the active strain gauge is increased under a tensional force F, the differential voltage V₂ = VA - VB will be a (b) negative value (i.e. V < 0) (a) positive value (i.e. V > 0) R₂ R₁ V, VA R3 FR₂ VB

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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7. A strain gauge is used to measure applied strain through a quarter Wheatstone bridge circuit as shown below, where Rx represents the active strain gauge. If the quarter-bridge is originally balanced and then the resistance of the active strain gauge is increased under a tensional force F, the differential voltage Vx = VA - VB will be a (b) negative value (i.e. Vx < 0) (a) positive value (i.e. V > 0 ) R₂ R₁ V₂: VA R3 R₁ VB
Transcribed Image Text:7. A strain gauge is used to measure applied strain through a quarter Wheatstone bridge circuit as shown below, where Rx represents the active strain gauge. If the quarter-bridge is originally balanced and then the resistance of the active strain gauge is increased under a tensional force F, the differential voltage Vx = VA - VB will be a (b) negative value (i.e. Vx < 0) (a) positive value (i.e. V > 0 ) R₂ R₁ V₂: VA R3 R₁ VB
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