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Railways NTPC (Technical Ability) Electrical Measurement and Instrumentation Question Bank Electrical Measurement and Instrumentation

  • question_answer
    Quadrant type electrostatic instruments can be used for measurement of ac voltage

    A)  only when heterostatically connected.

    B)  only when idiostatically connected.

    C)  in either heterostatic connection or idiostatic connection

    D)  None of the above

    Correct Answer: B

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