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NEET AIPMT SOLVED PAPER 2003

  • question_answer
                    If a full wave rectifier circuit is operating from 50 Hz mains, the fundamental frequency in the ripple will be:

    A)                                                                                                                                                                            70.7 Hz  

    B)                 100 Hz  

    C)                 25 Hz

    D)                 59 Hz

    Correct Answer: B

    Solution :

                    For full wave rectifier, ripple frequency                 \[=2\times \] input frequency                 \[=2\times 50\]                 = 100 Hz                 Note:    A full wave rectifier consists of two junction diodes, so, its efficiency is twice that of half wave rectifier.


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