1 files changed, 15 insertions, 0 deletions
diff --git a/1730/CH3/EX3.8/Exa3_8.sce b/1730/CH3/EX3.8/Exa3_8.sce
new file mode 100755
index 000000000..282953e29
--- /dev/null
+++ b/1730/CH3/EX3.8/Exa3_8.sce
@@ -0,0 +1,15 @@
+//Exa3.8
+clc;
+clear;
+close;
+// given data
+n_i=1.5*10^10;// in /cm^3
+miu_e=1300;// in cm^2/V-s
+miu_h=450;// in cm^2/V-s
+e=1.6*10^-19;// in C  (charge of electrons)
+sigma_i=n_i*e*(miu_e+miu_h);
+disp("Conductivity of silicon (intrinsic) is : "+string(sigma_i)+" /ohm-cm");
+N_A=10^18;// in /cm^3
+disp("conductivity of the resulting P-type silicon semiconductor")
+sigma_p=e*N_A*miu_h;
+disp(string(sigma_p)+" /ohm-cm");
+\ No newline at end of file