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

  • question_answer
    In a LCR circuit having L = 8.0 henry, C = 0.5 mF and R = 100 ohm in series. The resonance frequency in per second is                                                                      [CPMT 1990]

    A)            600 radian                             

    B)            600 Hz

    C)            500 radian                             

    D)            500 Hz

    Correct Answer: C

    Solution :

                       Resonance frequency in radian/second is            \[\omega =\frac{1}{\sqrt{LC}}=\frac{1}{\sqrt{8\times 0.5\times {{10}^{-6}}}}=500\,\,rad/sec\]


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