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Discussion :: Measurements and Instrumentation

  1. Consider the following features of an instrument

    1. suitable for both ac and dc
    2. free from hysteresis and eddy current errors
    3. No waveform and frequency errors
    4. it is essentially a voltmeter
    This instrument is

    2. A.
    moving iron
    B.
    moving coil
    C.
    electrostatic
    D.
    dynamometer

    View Answer

    Workspace

    View Answer

    Answer : Option C

    Explanation :

    Only electrostatic instrument has all these features.

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