A resistance wire strain gauge with a gauge factor of 2 is bonded to a steel structural member subjected to a stress of 100 MN / m2. The modulus of elasticity of steel is 200 GN / m2. The change in the value of gauge resistance due to the applied stress will be

A resistance wire strain gauge with a gauge factor of 2 is bonded to a

1.	A resistance wire strain gauge with a gauge factor of 2 is bonded to a steel structural member subjected to a stress of 100 MN / m2. The modulus of elasticity of steel is 200 GN / m2. The change in the value of gauge resistance due to the applied stress will be
A.	0.05%
B.	0.10%
C.	0.30%
D.	0.60%
Answer» C. 0.30%

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