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NEET Sample Paper NEET Sample Test Paper-3

  • question_answer
    In an L-C-R series circuit, the AC voltage across, R, L and C come out as 10V, 10V and 20V respectively. The voltage across the entire combination will be:

    A)  \[30\,V\]                     

    B)  \[10\sqrt{3}\,V\]

    C)  \[20\,V\]                     

    D)  \[10\sqrt{2}\,V\]

    Correct Answer: D

    Solution :

        \[{{V}_{total}}=\sqrt{{{V}^{2}}R{{({{V}_{L}}-{{V}_{C}})}^{2}}}\] \[=\sqrt{{{10}^{2}}+{{(10-20)}^{2}}}=10\sqrt{2}\,V\]


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