Chapter 14 · Semiconductor Electronics
PN Junction: depletion region and effect of doping
How the depletion layer forms, why a built-in field appears, and how acceptor and donor concentrations decide its width.
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Simulator
Four-stage formation animation, doping sliders, charge, field and potential graphs.
Open simulator → LiveTeaching presentation
20 bilingual slides with presenter notes and one-click simulator launch.
Open presentation → LiveKnowledge check
NCERT-style conceptual questions and a short quiz.
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