A3 cm long bar of Si has a cross-sectional area of 0.2 cm2 and is doped with 5 x 1017 acceptor atoms per cubic centimeter. At T= 30OK, Dp = 26 cm²/s and the electron and hole lifetimes are are both 10 us. The resistance of this Si bar is O 0.83 mohms O 5.33 Ohms O 72.1 Ohms O 0.188 Ohms O 1200 Ohms
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