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  5. Alternating Current / प्रत्यावर्ती धारा

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

  • question_answer
    The power factor of series LCR circuit at resonance is

    A) 0.707

    B) 1

    C) 0.5

    D) 0

    Correct Answer: B

    Solution :

    Option [b] is correct. Explanation: At resonance, LCR circuit behaves as purely resistive circuit. For purely resistive circuit, power factor is 1


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