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  5. Alternating Current / प्रत्यावर्ती धारा

12th Class Physics Alternating Current / प्रत्यावर्ती धारा Question Bank MCQs - Alternating Current

  • question_answer
    ______ increases in step-down transformer.

    A) Voltage

    B) Current

    C) Power

    D) Current density  

    Correct Answer: B

    Solution :

    Option [b] is correct Explanation: Since\[{{V}_{P}}/{{V}_{S}}={{I}_{S}}/{{I}_{P}}\], so as as voltage reduces, the current increases in a step-down transformer.


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