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  4. In forward bias the width of depletion layer is

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Q. In forward bias the width of depletion layer is

Delhi UMET/DPMTDelhi UMET/DPMT 2007Semiconductor Electronics: Materials Devices and Simple Circuits

Solution:

In forward biasing, the forward bias voltage opposes the potential barrier $V_B$. Due to it, the potential barrier is considerably reduced, the depletion region becomes thin, the potential barrier is much reduced and at some forward voltage $(0. 1$ to $0.3 V)$, it is eliminated altogether.