When a strain gage is strained in its axial (grid line) direction, its resistance increases due to the fact that the grid length increases. Poisson's Ratio predicts that the resistance will also change as a result of transverse deformations. For a positive axial strain (tension), how does the gage resistance change as a result of the Poisson effect?
A. it will not change at all
B. it will increase
C. it will decrease
Answer: B
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