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CMC Medical CMC-Medical VELLORE Solved Paper-2011

  • question_answer
    The inductive reactance \[{{X}_{L}}\] of induction is

    A)  always constant in AC circuit

    B)  directly proportional to frequency of AC

    C)  inversely proportional to frequency of AC

    D)  directly proportional to time period J

    E)  None of the above

    Correct Answer: B

    Solution :

                     Inductive reactance \[{{X}_{L}}=\omega L\] \[{{X}_{L}}=2\pi fL\]                 \[{{X}_{L}}\propto f\]


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