Answer to Question #171322 in Electrical Engineering for Thelston

Question #171322

A platinum wire has Poisson’s ratio ν = 0.39, and resistivity ρ of 1.06 x 10-7 ohm-meter. When the wire is pulled, the axial strain εA is 0.08 and the resistivity increases to 1.07 x 10-7 ohm-meter. What is the gauge factor of the platinum wire? (


1
Expert's answer
2021-03-18T03:36:07-0400

To find the gauge factor, we can use the following equation:


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