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BCECE Engineering BCECE Engineering Solved Paper-2014

  • question_answer
    For a common emitter circuit amplifier, the load resistance of the output circuit is 500 times the resistance of the input circuit. If \[\alpha \text{ }=\text{ }0.\text{98}\], then, current gain is

    A) 0.98                       

    B) 50     

    C) 98                          

    D) 49

    Correct Answer: D

    Solution :

    Given, \[\alpha \text{ }=0.\text{98}\] \[\beta =\frac{\alpha }{1-\alpha }=\frac{0.98}{1-0.98}=49\]


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