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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 /3020/CH18/EX18.5/ex18_5.sce | |
| 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 '3020/CH18/EX18.5/ex18_5.sce')
| -rwxr-xr-x | 3020/CH18/EX18.5/ex18_5.sce | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/3020/CH18/EX18.5/ex18_5.sce b/3020/CH18/EX18.5/ex18_5.sce new file mode 100755 index 000000000..63cec24c2 --- /dev/null +++ b/3020/CH18/EX18.5/ex18_5.sce @@ -0,0 +1,11 @@ +clc;
+clear all;
+ue=3900;//electon mobility in cm^2/V*s
+uh=1900;//hole mobility in cm^2/V*s
+ni=2.15e13;//intrisic carrier concentration in cm^-3
+e=1.6e-19;//charge of electron
+sigma=ni*e*(ue+uh);//conductivity of germanium
+disp('ohm^-1 cm^-1',sigma,'conductivity of semiconductor is:')
+rho=1/sigma;
+disp('ohm cm',rho,'ressistivity of semiconductor is')
+//Slight variation in answer than book.. there is mistake in book.. checked in calculator also..
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