Two strain gauges are mounted so that they sense axial strain on a steel member

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;

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thats so long

Explanation:

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