Question: 2. Using the band theory model for solids explain the differences between conductors, semi-conductors and insulators in terms of energy bands. a) What are p-type

2. Using the band theory model for solids explain the differences between conductors, semi-conductors and insulators in terms of energy bands. a) What are p-type and n-type semiconductors? b) What is meant by extrinsic and intrinsic semiconductors? c) Explain what happens to the potential barrier as we forward and reverse bias the pn junction. Show the circuitry by drawing

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