JCECE Medical JCECE Medical Solved Paper-2010

  • question_answer In the circuit shown in figure neglecting sourte resistance,  the voltmeter and ammeter readings will be respectively

    A) \[0V,3A\]        

    B) \[150V,3A\]

    C)  \[150\,V,6A\]

    D)  \[0\,V,8A\]

    Correct Answer: D

    Solution :

     The voltages \[{{\text{V}}_{\text{L}}}\]and \[{{\text{V}}_{C}}\]are equal and  opposite so, voltmeter reading will be zero. Also, \[R=30\,\Omega ,{{X}_{L}}={{X}_{C}}=25\,\Omega \] So, \[i=\frac{V}{\sqrt{{{R}^{2}}+{{({{X}_{L}}-{{X}_{C}})}^{2}}}}=\frac{V}{R}=\frac{240}{30}=8A\]

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