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Discussion :: Measurements and Instrumentation

  1. Which of the following voltmeters would you use for measuring voltage across 20 kΩ resistance?

    2. A.
    Voltmeter having a resistance of 5 kΩ
    B.
    Voltmeter having a sensitivity of 1 kW/V
    C.
    Voltmeter having sensitivity of 10 kW/V
    D.
    None of the above

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    Answer : Option C

    Explanation :

    Resistance of voltmeter should be very high as compared to 20 kΩ.

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