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Engineering, 03.04.2020 22:02 imogengrzemskip4rq0p

(a) Consider a strain gauge with nominal resistance of 150Ω. It is glued on the surface of a structure. The structure deforms nominally 0.001 strain level ( = Δl∕l = 0.001). Assume that the gauge factor of the strain gauge is 2.0. Determine the change in the nominal resistance of the strain gauge under this condition. The gauge factor is defined as GF=(δR/R)/ϵ (b) Design a circuit to measure the strain as proportional voltage output to a data acquisition board which has 0–5V input range. When the strain level is 0.001, the output voltage should be 5.0V.

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(a) Consider a strain gauge with nominal resistance of 150Ω. It is glued on the surface of a structu...
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