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JEE Main & Advanced Physics Semiconducting Devices Question Bank Junction Transistor

  • question_answer
    An oscillator is nothing but an amplifier with  [MP PET 2004]

    A)            Positive feed back             

    B)            Large gain

    C)            No feedback                        

    D)            Negative feedback

    Correct Answer: A

    Solution :

                       In oscillator, a portion of the output power is returned back (feed back) to the input in phase with the starting power. This process is termed as positive feedback.


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