A resistance wire strain gauge has gauge factor 2. If stress is 100 me – McqOptions

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1.	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
Answer» B. 0.2

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