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Discussion :: Measurements and Instrumentation

  1. In a ballistic galvanometer, a charge of 100 μC gives a first swing of 25°. The charge required to cause first swing of 50° is

    2. A.
    200 μC
    B.
    400 μC
    C.
    50 μC
    D.
    25 μC

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    Answer : Option B

    Explanation :

    swing is proportional to charge.

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