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  5. Alternating Current / प्रत्यावर्ती धारा

12th Class Physics Alternating Current / प्रत्यावर्ती धारा Question Bank Case Based (MCQs) - Alternating Current

  • question_answer
    Power in secondary coil is

    A) 15 W

    B) 20 W

    C) 7 W

    D) 8 W

    Correct Answer: A

    Solution :

    Power in secondary coil, \[{{P}_{s}}={{E}_{s}}\times {{I}_{s}}\] \[=3\times 5=15\,W\]


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