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Discussion :: Measurements and Instrumentation

  1. A high resistance was measured by loss of charge method. The voltmeter resistance was 1010 ohms. The calculation gave the value of unknown resistance as 0.8 x 109 ohms. The true value of resistance is

    2. A.
    0.8 x 109 Ω
    B.
    less than 0.8 x 109 Ω
    C.
    more than 0.8 x 109 Ω
    D.
    either (b) or (c)

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    Answer : Option C

    Explanation :

    Let unknown resistance be R.

    Evidently R is more than 0.8 x 109 ohm.

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