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Discussion :: Measurements and Instrumentation

  1. Two voltmeters are each 0-300 V range. Their internal resistances are 10 kΩ and 20 kΩ They are connected is series and a voltage of 400 V is applied. Their readings respectively will be

    2. A.
    266.6 and 133.3 V
    B.
    133.3 and 266.6 V
    C.
    200 V each
    D.
    100 and 300 V

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    Answer : Option B

    Explanation :

    The readings will be proportional to their internal resistance,

    .

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