a) Use a computer to determine and plot the majority and minority mobilities of n- type and p-type silicon (m, Hnp: Hpp, and Hpn) as a function of the bulk impurity concentration, Ng. Assume the parameters indicated below: i) Impurity Range: 101* < Ng s 1021 (cm-3) 1x104 unn udn oce H upp 1x10 D8B unp 100 10 1x1014 1x1o16 1x1018 1x1020 Impurity Concentration (cm^-3) Figure 1. Mobilities in silicon as function of impurity concentration. 1x1022 Mobility (cm^2/V*s)