A) decreases
B) remains constant
C) increases
D) All of the above
Correct Answer: C
Solution :
Poisson strain is denned as the negative ratio of the strain in the traverse direction (caused by the contraction of the bar's diameter) to the strain in the longitudinal direction. As the length in-creases and the cross sectional area decreases, the electrical resistance of the wire also rises.You need to login to perform this action.
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