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Discussion :: Electronic Principles

  1. A transformer has a primary voltage of 120 V rms and a secondary voltage of 25 V rms. If the secondary current is 1A rms, what is the primary current?

    2. A.
    7.8 mA
    B.
    208 mA
    C.
    200 mA
    D.
    300 mA
    E.
    None of the above

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    Answer : Option B

    Explanation :

    No answer description available for this question.

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