diff options
Diffstat (limited to '1730/CH3/EX3.3/Exa3_3.sce')
| -rwxr-xr-x | 1730/CH3/EX3.3/Exa3_3.sce | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/1730/CH3/EX3.3/Exa3_3.sce b/1730/CH3/EX3.3/Exa3_3.sce new file mode 100755 index 000000000..553489438 --- /dev/null +++ b/1730/CH3/EX3.3/Exa3_3.sce @@ -0,0 +1,16 @@ +//Exa3.3
+clc;
+clear;
+close;
+// given data
+n_i=2.5*10^13;// in /cm^3
+rho=0.039;// in ohm-cm
+sigma_n=1/rho;
+e=1.602*10^-19;// in C
+miu_e=3600;// in cm^2/V-s
+//since sigma_n = n*e*miu_e = N_D*e*miu_e
+N_D=sigma_n/(e*miu_e);
+n=N_D;// (approx)
+disp("Concentration of electrons is : "+string(n)+" /cm^3");
+p=n_i^2/n;
+disp("Concentration of holes is : "+string(p)+" /cm^3");
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