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

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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 for this steel is 29 x 106 psi For a bridge excitation voltage of 4 V and a bridge output voltage of 120 V under load i e E 4 V and SE 120 V a Estimate the maximum strain b What is the resistance change experienced by each gauge

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