The depletion region contains
Correct answer: D. No holes and electrons
- A. Electrons
- B. Holes
- C. Electrons and holes
- D. No holes and electrons
Explanation
The depletion region is characterized by the absence of free charge carriers (both electrons and holes) due to the recombination of majority carriers from the p-type and n-type regions, resulting in a region devoid of mobile charge carriers. Instead, it contains ionized dopant atoms and fixed charges.
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A p-n junction forms when p-type and n-type semiconductor regions meet, creating a depletion layer, barrier potential and rectifying action. The work covers forward and reverse bias, junction current, diode characteristics, and how a diode converts alternating current into pulsating direct current through half-wave and full-wave rectification.
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