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

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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 percentage change in the value of the gauges resistance due to the applied stress will be
A.	0.7%
B.	0.3%
C.	0.5%
D.	0.1%
Answer» E.

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