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Discussion :: Measurements and Instrumentation

  1. An LVDT is used to measure displacement. The LVDT feeds a Voltmeter of 0-5 V range through a 250 gain amplifier. For a displacement 0.5 mm the output of LVDT is 2 mV. The sensitivity of instrument is

    2. A.
    0.1 V/mm
    B.
    0.5 V/mm
    C.
    1 V/mm
    D.
    5 V/mm

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    Answer : Option C

    Explanation :

    Final output = 2 x 10-3 x 250 = 0.5 V.

    .

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