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Railways Sample Paper RRBs Assistant Loco Pilot and Technician CBT STAGE-I Sample Paper-5

  • question_answer
    Transformation ratio of a set-up transformer is 3 : 2. What would be the secondary voltage, while the primary voltage is 30V?

    A)  15 V               

    B)  45 V

    C)  90 V               

    D)  300 V

    Correct Answer: B

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