RAJASTHAN ­ PET Rajasthan PET Solved Paper-2003

  • question_answer
    Loss of power m R-L circuit is

    A)  \[\frac{{{V}^{2}}}{({{R}^{2}}+{{\omega }^{2}}{{L}^{2}}}R\]

    B) \[\frac{{{V}^{2}}}{\sqrt{{{R}^{2}}+{{\omega }^{2}}{{L}^{2}}}}\]

    C)  \[\frac{{{V}^{2}}}{R}\sqrt{{{R}^{2}}+{{\omega }^{2}}{{L}^{2}}}\]

    D)  None of these

    Correct Answer: A

    Solution :

     \[{{P}_{av}}=\frac{{{V}^{2}}}{({{R}^{2}}+{{\omega }^{2}}{{L}^{2}})}R\]


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