A resistance strain gauge with a gauge factor of 2.0 is fastened to a steel member subjected to a stress of 100 N/mm2. The modulus of elasticity of steel is approximately 2 × 105 N/mm2. The percentage change in resistance is

A resistance strain gauge with a gauge factor of 2.0 is fastened to a

1.	A resistance strain gauge with a gauge factor of 2.0 is fastened to a steel member subjected to a stress of 100 N/mm2. The modulus of elasticity of steel is approximately 2 × 105 N/mm2. The percentage change in resistance is
A.	1.5
B.	1
C.	0.15
D.	0.1
Answer» E.

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A resistance strain gauge with a gauge factor of 2.0 is fastened to a steel member subjected to a stress of 100 N/mm2. The modulus of elasticity of steel is approximately 2 × 105 N/mm2. The percentage change in resistance is

A resistance strain gauge with a gauge factor of 2.0 is fastened to a steel member subjected to a stress of 100 N/mm2. The modulus of elasticity of steel is approximately 2 × 105 N/mm2. The percentage change in resistance is

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