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| author | priyanka | 2015-06-24 15:03:17 +0530 |
|---|---|---|
| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /2444/CH1/EX1.9 | |
| download | Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.gz Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.bz2 Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.zip | |
initial commit / add all books
Diffstat (limited to '2444/CH1/EX1.9')
| -rwxr-xr-x | 2444/CH1/EX1.9/ex1_9.sce | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/2444/CH1/EX1.9/ex1_9.sce b/2444/CH1/EX1.9/ex1_9.sce new file mode 100755 index 000000000..9228d05ab --- /dev/null +++ b/2444/CH1/EX1.9/ex1_9.sce @@ -0,0 +1,17 @@ +// Exa 1.9
+clc;
+clear;
+close;
+format('v',9)
+// Given data
+rho = 0.039;// in ohm-cm
+sigma_n = 1/rho;// in mho/cm
+miu_e = 3600;// in cm^2/V-s
+e = 1.602*10^-19;// in C
+// sigma_n = n*e*miu_e = N_D*e*miu_e;
+N_D = sigma_n/(e*miu_e);// in /cm^3
+n = N_D;// in /cm^3
+disp(n,"The electrons density per cm^3 is");
+n_i = 2.5*10^13;// in /cm^3
+p = (n_i^2)/n;// in /cm^3
+disp(p,"The hole density per cm^3 is");
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