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JEE Main & Advanced Physics Alternating Current / प्रत्यावर्ती धारा Question Bank Numerical Value Type Questions - Alternating Current

  • question_answer
    A power transmission line feeds input power at 2300 V to a step down transformer with its primary windings having 4000 turns. The output power is delivered at 230 V by the transformer. If the current in the primary of the transformer is 5A and its efficiency is 90%, the output current (in ampere) would be:

    Answer:

    45


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