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JEE Main & Advanced Physics Alternating Current / प्रत्यावर्ती धारा Question Bank ac Circuits

  • question_answer
    The power factor of LCR circuit at resonance is [MP PMT 1991; RPMT 1999; RPET 2001; UPSEAT 1999]

    A)            0.707                                       

    B)            1

    C)            Zero                                         

    D)             0.5

    Correct Answer: B

    Solution :

               At resonance, LCR circuit behaves as purely resistive circuit, for purely resistive circuit power factor = 1      


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