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

  • question_answer
    The resonant frequency of a circuit is f. If the capacitance is made 4 times the initial values, then the resonant frequency will become                                                                       [RPET 1996]

    A)            f / 2                                          

    B)            2f

    C)            f     

    D)            f / 4

    Correct Answer: A

    Solution :

               \[f=\frac{1}{2\pi \sqrt{LC}}\] Þ \[f\propto \frac{1}{\sqrt{C}}\]


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