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  4. In a forward biased p-n junction diode, which of the following graphs is most appropriately represented the potential barrier in the depletion region?

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Q. In a forward biased p-n junction diode, which of the following graphs is most appropriately represented the potential barrier in the depletion region?

NTA AbhyasNTA Abhyas 2020Semiconductor Electronics: Materials Devices and Simple Circuits

Solution:

In a forward biased p-njunction, the applied potential is opposite to the junction barrier potential The consequence of this is the effective barrier potential reduces. Hence, the graph (d) is correctly shown.