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Measurements and Instrumentation - Engineering

Q1:

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

ANS:A - 0.1

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