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Discussion :: Measurements and Instrumentation

  1. The volt ratio box is basically a

    2. A.
    potential divider
    B.
    current transformer
    C.
    a high resistance voltmeter
    D.
    either (a) or (c)

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    Answer : Option A

    Explanation :

    DC potentiometer can measure voltages upto about 1.5 V. Volt ratio box is used to reduce the unknown voltage so that it can be measured by dc potentiometer.

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