A resistance wire strain gauge has gauge factor 2 ___

A resistance wire strain gauge has gauge factor 2.

If stress is 100 mega newton/m2 and Young’s modulus is 200 giga newton/ m2, the percentage change in gauge resistance due to stress is

A. 0.1
B. 0.2
C. 0.4
D. 0.5

Show Answer

Answer: A

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