diff options
Diffstat (limited to '2198/CH1/EX1.11.7/Ex1_11_7.sce')
| -rwxr-xr-x | 2198/CH1/EX1.11.7/Ex1_11_7.sce | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/2198/CH1/EX1.11.7/Ex1_11_7.sce b/2198/CH1/EX1.11.7/Ex1_11_7.sce new file mode 100755 index 000000000..a47e34e58 --- /dev/null +++ b/2198/CH1/EX1.11.7/Ex1_11_7.sce @@ -0,0 +1,19 @@ +//Ex 1.11.7
+clc;clear;close;
+format('v',8);
+
+//Given :
+n=5*10^22;//per cm^3
+mu_n=1300;//cm^2/V-s
+mu_p=500;//cm^2/V-s
+ni=1.5*10^10;//per cm^3
+T=300;//K
+rho_n=9.5;//ohm-cm
+q=1.6*10^-19;//Coulomb
+sigma_i=ni*q*(mu_n+mu_p);//(ohm-cm)^-1
+rho_i=1/sigma_i;//ohm-cm
+disp(rho_i,"Resistivity in ohm-cm : ");
+sigma_n=1/rho_n;//(ohm-cm)^-1
+ND=sigma_n/mu_n/q;//per m^3
+Ratio=ND/n;
+disp(Ratio,"Ratio of donor impurity atom to Si atom : ");
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