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Prévia do material em texto

3.006P (a) Consider material intrinsic Under thermal the concentration electrons equal to concentration Thus the resistivity (1) Here Substitute for Step 2 of 13 calculated Here resistance Calculate Resistance is Substitute cm for Therefore Step 4 of 13 (b) The The The electron concentration determined by doping concentration Under equation the semiconductors is Step 5 of 13 The doping concentration below Substitute expression Resistivity follows Substitute No 1 Determine resistance Substitute Therefore the resistance (c) Substitute for No Step 9 of 13 resistivity calculated Substitute for q No N, Step 10 of 13 resistance Substitute cm expression (0.003289 Therefore Step 11 of 13 (d) concentration calculated shown below Substitute for expression Resistivity calculated shown below Substitute N, Step 12 of 13 resistance Substitute for expression Substitute 2.8 for A Therefore