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BVP Medical BVP Medical Solved Paper-2005

  • question_answer
    Efficiency of a HW rectifier is nearly :

    A) 80%                                       

    B)  60%

    C) 40%                                       

    D)  20°%

    Correct Answer: C

    Solution :

                    We know that the efficiency of half wave rectifier is equal to \[\frac{4}{{{\pi }^{2}}}=\frac{4}{{{(3.14)}^{2}}}=0.40=40%\]


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