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

  • question_answer
    Before connecting a meter to measure an unknown current or voltage, it is best to

    A)  start with the highest range and work down

    B)  start with the lowest range and work down

    C)  select an estimated mid-range

    D)  use the trial and error method

    Correct Answer: A

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