Manipal Medical Manipal Medical Solved Paper-2003

  • 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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