A) barrier voltage
B) increases with increase in potential barrier voltage
C) is independent of potential barrier voltage
D) none of the above
Correct Answer: A
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\[0.3V\]), it is eliminated altogether. Note Since, the small increase in forward voltage shows the large increase in forward current, hence the resistance of p-n junction is low to the flow of current when forward biased.
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