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Discussion :: Measurements and Instrumentation

  1. A wire strain gauge has a gauge factor of 2, resistance of 125 Ω and length 1 m. If length of wire changes by .005 m, change in resistance will be

    2. A.
    0.25 Ω
    B.
    0.5 Ω
    C.
    1.25 Ω
    D.
    2.5 Ω

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    Answer : Option C

    Explanation :

    .

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