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RAJASTHAN ­ PET Rajasthan PET Solved Paper-2004

  • question_answer
    Which one is the minimum inresonancing position of series L-C-R circuit?

    A)  Current         

    B)  Impedence

    C)  Reactance       

    D)  Power factor

    Correct Answer: B

    Solution :

     For L-C-R circuit \[Z=\sqrt{{{R}^{2}}+{{({{X}_{L}}-{{X}_{C}})}^{2}}}\] In position of resonant \[{{X}_{L}}={{X}_{C}}\] \[{{Z}_{\min }}=R\]


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