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12th Class Physics Magnetism Question Bank Case Based (MCQs) - Magnetism and Matter

  • question_answer
    Efficiency of toroidal transformer is around ____ % which is ___ than laminated core transformer.

    A) 95, lower

    B) 95, higher

    C) 50, lower

    D) 80, higher

    Correct Answer: B

    Solution :

    Option [b] is correct. Explanation; Standard toroidal transformers typically offer a 95% efficiency, while standard laminated transformers typically offer less than a 90% rating.


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