a. The maximum strain is 60 * 10^-6
b. Resistance change = 0.014395 ohms
Explanation:
The complete question is as follows;
Two strain gauges are mounted so that they sense axial strain on a steel member in uniaxial tension. The 120 V gauges form two legs of a Wheatstone bridge, and are mounted on opposite arms (e.g., arms 1 and 4). The gauge factor for each of the strain gauges is 2 and E m for this steel is 29 × 106 psi. For a bridge excitation voltage of 4 V and a bridge output voltage of 120 μV under load (i.e., Ei = 4 V and 0 E =120 μV ):
(a) Estimate the maximum strain.
(b) What is the resistance change experienced by each gauge?
solution;
Please check attachment for complete solution and step by step explanation
thats so long
Explanation:
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