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Railways NTPC (Technical Ability) Basic Electronics Question Bank Basic Electronics

  • question_answer
                                   One disadvantage of directly coupled transistor amplifier

    A) identical transistors are required                  

    B) both NPN transistors are required             

    C) variations in current due to temperature changes  one stage are amplified by other stages              

    D) the low frequency response is poor    

    Correct Answer: C

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