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NEET Sample Paper NEET Sample Test Paper-22

  • question_answer
    In a common emitter amplifier, input resistance is \[3\Omega \] and load resistance is \[24\Omega .\]What is the voltage gain? (Take\[\alpha =0.6\])

    A)  8.4                             

    B)  4.8                 

    C)       2.4                 

    D)       1.2

    Correct Answer: B

    Solution :

    \[{{R}_{L}}=24\Omega \] \[{{R}_{i}}=3\Omega \] Resistance gain \[=\frac{24}{3}=8\Omega \] \[\therefore \]Voltage gain =current gain \[\times \]resistance gain \[=0.6\times 8=4.8\] Hence, the correction option is [b].


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