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Discussion :: Measurements and Instrumentation

  1. Two ammeters A and B both 0-10 A have internal resistance of 1 Ω and 0.5 Ω respectively. They are connected in parallel. If total current is 15 A, then

    2. A.
    IA = IB = 7.5 A
    B.
    IA = 5 A, IB = 10 A
    C.
    IA = 10 A, IB = 5 A
    D.
    IA = 9 A, IB = 6 A

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    Answer : Option B

    Explanation :

    Currents divide in inverse proportion of resistances.

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