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Discussion :: Measurements and Instrumentation

  1. The current coil of a wattmeter is connected to the CT of R-phase. The potential coil is connected across Y and B phases. The wattmeter measures

    2. A.

     Active power in R phase
    B.

     Active power of Y phase
    C.

     Reactive power of R phase
    D.

     Power proportional to 3 phase power if the load is balanced

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    Answer : Option C

    Explanation :

    Explanation Not Provided

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