Question:
why does the width of depletion layer decreases in forward biacing
Answer:
In the condition of forward bias-
1. p side with +ve polarity of the battery
2. n side with -ve polarity of the battery
So +ve voltage will repel holes and -ve voltage will repel electrons towards the depletion region.
These carriers will occupy some of the region of immobile charges (ions of depletion region) and hence reduces the width of the depletion layer .
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