1. Pure germanium has (4 x 1022) atom. cm-3 doped by indium atoms, the impurity is add to the extent of 1 part in (10°) germanium atoms, if note that the intrinsic concentration of germanium 2.5 × 10tº cm Hn = 3800 cm²(V s)-1 and µp = 1800 cm²(V s)-1. (a) Find the conductivity and the resistivity before the doping? (b) Find the conductivity and the resistivity after the doping? (c) What can you conclude from 1 and 2?
1. Pure germanium has (4 x 1022) atom. cm-3 doped by indium atoms, the impurity is add to the extent of 1 part in (10°) germanium atoms, if note that the intrinsic concentration of germanium 2.5 × 10tº cm Hn = 3800 cm²(V s)-1 and µp = 1800 cm²(V s)-1. (a) Find the conductivity and the resistivity before the doping? (b) Find the conductivity and the resistivity after the doping? (c) What can you conclude from 1 and 2?
Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Chapter4: Transmission Line Parameters
Section: Chapter Questions
Problem 4.2P: The temperature dependence of resistance is also quantified by the relation R2=R1[ 1+(T2T1) ] where...
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