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BHU PMT BHU PMT (Mains) Solved Paper-2005

  • question_answer
    In common-emitter transistor amplifier, the phase difference between output voltage and input voltage is:

    A)  \[0{}^\circ \]                                     

    B) \[180{}^\circ \]

    C)  \[90{}^\circ \]                                  

    D) \[45{}^\circ \]

    Correct Answer: B

    Solution :

                     In common-emitter configuration of a transistor amplifier, the input signal fed to it is inverted and amplified at the output. Thus, phase difference between input and output signals is\[180{}^\circ \].


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