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

  • question_answer
    In a series resonant circuit, the ac voltage across resistance R, inductance L and capacitance C are 5 V, 10 V and 10 V respectively. The ac voltage applied to the circuit will be [KCET 1994]

    A)            20 V                                         

    B)            10 V

    C)            5 V

    D)            25 V

    Correct Answer: C

    Solution :

               \[V=\sqrt{V_{R}^{2}+{{({{V}_{L}}-{{V}_{C}})}^{2}}}=\sqrt{{{(5)}^{2}}+{{(10-10)}^{2}}}=5\,\,Volt\]  


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