A resistance strain gauge with a guage factor of 3 is fixed to a steel member subjected to a stress of 100 N / mm. The Young’s modulus of steel is 2 × 105 N / mm2.The percentage change in resistance is

A resistance strain gauge with a guage factor of 3 is fixed to a steel

1.	A resistance strain gauge with a guage factor of 3 is fixed to a steel member subjected to a stress of 100 N / mm. The Young’s modulus of steel is 2 × 105 N / mm2.The percentage change in resistance is
A.	0.1%
B.	0.15%
C.	1.0%
D.	1.5%
Answer» C. 1.0%

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