Question

8. How does the width of a depletion region of a pn junction vary If doping
concentration is increased?
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Answer 1

Answer:

If the doping level is further increased, then even more number of free electrons and holes are generated. This will create a large electric field at n-side and p-side. This electric field dominates the opposing electric field from the ions (depletion region). ... This decreases the width of depletion region.