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Discussion :: Measurements and Instrumentation

  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

    2. A.
    0.1
    B.
    0.2
    C.
    0.4
    D.
    0.5

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    Answer : Option A

    Explanation :

    .

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