2. Solved Papers
  3. Haryana PMT

Haryana PMT Haryana PMT Solved Paper-2004

  • 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\[\frac{4}{{{\pi }^{2}}}=\frac{4}{{{(3.14)}^{2}}}=0.40=40%\]


You need to login to perform this action.
You will be redirected in 3 sec spinner