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Discussion :: GATE Instrumentation

  1. The circuit below incorporates a permanent magnet moving coil milli-ammeter of range 1 mA having a series resistance of 10 kΩ. Assuming constant diode forward resistance of 50 Ω, a forward diode drop of 0.7 V and infinite reverse diode resistance for each diode, the reading of the meter in mA is

    2. A.
    0.45
    B.
    0.5
    C.
    0.7
    D.
    0.9

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    Answer : Option A

    Explanation :

    -NA-

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