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NEET Physics Semiconducting Devices NEET PYQ-Semiconducting Devices

  • question_answer
    If a full wave rectifier circuit is operating from 50 Hz mains, the fundamental frequency in the ripple will be: [AIPMT 2003]

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


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