b) A strain gauge with a gauge factor of 2 is mounted along the longitudinal axis on the top surface of a rectangular steel bar (with Young's Modulus = 200 x 106 kN/m²) as shown in Figure Q3. The bar is 3cm wide and 1cm high across the cross-section. It is subjected to a tensile load of 30kN. Gauge K i) E Tensile loading Figure Q3 Assuming the resistance of each of the three resistors is 1200 and supply voltage E₁ = 10V, determine: The change in the resistance of the strain gauge, if the resistance of the unstressed gauge is also 12002. ii) The output voltage B.. iii) The sensitivity of the measurement, in terms of bridge output versus loading.

b) A strain gauge with a gauge factor of 2 is mounted along the longitudinal axis on the top surface of a rectangular steel bar (with Young's Modulus = 200 x 106 kN/m²) as shown in Figure Q3. The bar is 3cm wide and 1cm high across the cross-section. It is subjected to a tensile load of 30kN. Gauge K i) E Tensile loading Figure Q3 Assuming the resistance of each of the three resistors is 1200 and supply voltage E₁ = 10V, determine: The change in the resistance of the strain gauge, if the resistance of the unstressed gauge is also 12002. ii) The output voltage B.. iii) The sensitivity of the measurement, in terms of bridge output versus loading.

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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