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RAJASTHAN PMT Rajasthan - PMT Solved Paper-2003

  • question_answer
    When a diode shows saturation current its dynamical plate resistance will be

    A)  zero                     

    B)         infinity    

    C)  indeterminate

    D)         variable

    Correct Answer: B

    Solution :

    When diode shows saturation current then current does not increase with increase of voltage. \[\therefore \] Diode resistance,\[{{R}_{P}}=\frac{\Delta V}{\Delta l}=\frac{\Delta V}{0}=\infty \] Its dynamic plate resistance is infinity.


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