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MGIMS WARDHA MGIMS WARDHA Solved Paper-2003

  • question_answer
    A resistance of 8 ohm and an inductance of 6 ohm are connected in series to an A.C. circuit. The impedance of the circuit is ;

    A) \[14\sqrt{2}\Omega \]                                  

    B) \[10\Omega \]

    C) \[2\Omega \]                                    

    D) \[15\Omega \]

    Correct Answer: B

    Solution :

    Here: \[{{X}_{L}}=6\,\Omega ,R=8\,\Omega \] \[\therefore \]Impedance of the circuit                 \[Z=\sqrt{{{R}^{2}}\times Z_{L}^{2}}\]                 \[Z=\sqrt{{{8}^{2}}\times {{6}^{2}}}\]                 \[Z=\sqrt{100}\]                 \[Z=10\,\Omega \]


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