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diff --git a/2102/CH2/EX2.33/exa_2_33.sce b/2102/CH2/EX2.33/exa_2_33.sce
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+// Exa 2.33
+clc;
+clear;
+close;
+// Given data
+e=1.6*10^-19;// in C
+a= 0.004*0.0015;// in m^2
+ni= 2.5*10^19;// per m^3
+miu_e= 0.38;// in m^2/ v-s
+miu_p= 0.18;// in m^2/v-s
+V=10;// in V
+i= 25;// in mm
+i=i*10^-3;// in m
+E= V/i;// in V/m
+// Part (a)
+ve= miu_e*E;// in m/sec
+disp(ve,"Electric drift velocity in m/sec is : ")
+vp= miu_p*E;// in m/sec
+disp(vp,"Hole drift velocity in m/sec is : ")
+
+// Part (b)
+sigma_i= ni*e*(miu_e+miu_p);// in (Ωcm)^-1
+disp(sigma_i,"Intrinsic carrier conductivity of Ge in (Ωcm)^-1 is : ")
+
+// Part (c)
+I= sigma_i*E*a;// in A
+I=I*10^3;// in mA
+disp(I,"Total current in mA is : ")