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AMU Medical AMU Solved Paper-1996

  • question_answer
    In an A.C. circuit the potential differences across an inductance and resistance joined in series are 12V and 16V respectively. The total potential difference across the circuit, in volts, is

    A)  39.2              

    B)  36

    C)  20                

    D)  4

    Correct Answer: C

    Solution :

    : \[{{V}^{2}}=V_{L}^{2}+V_{R}^{2}={{(12)}^{2}}+{{(16)}^{2}}\] \[=144+256=400\] or \[V=20\]volt.


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