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JIPMER Jipmer Medical Solved Paper-2000

  • question_answer
    For a transistor \[\,\text{=}\,\text{62,}\]\[{{R}_{L}}\,\text{=}\,5000\,\Omega \text{,}\]\[{{R}_{i}}\,\text{=}\,500\,\Omega .\]  Voltage amplification is:

    A)  260                                       

    B)         620                       

    C)         2.6                                        

    D)         6.2

    Correct Answer: B

    Solution :

    \[{{A}_{\upsilon }}=\beta \times \frac{{{R}_{0}}}{{{R}_{i}}}\] Given: \[\beta =62,\,{{R}_{0}}={{R}_{L}}=5000\,\Omega ,\,{{R}_{i}}=500\,\Omega \] \[{{A}_{v}}=\frac{62\times 5000}{500}=620\]


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