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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 /3440/CH2/EX2.9 | |
| 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 '3440/CH2/EX2.9')
| -rw-r--r-- | 3440/CH2/EX2.9/Ex2_9.sce | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/3440/CH2/EX2.9/Ex2_9.sce b/3440/CH2/EX2.9/Ex2_9.sce new file mode 100644 index 000000000..9dd80b650 --- /dev/null +++ b/3440/CH2/EX2.9/Ex2_9.sce @@ -0,0 +1,15 @@ +clc
+
+T=300 //K
+k=8.617*10^-5 //eV/K
+q=1.6*10**-19 //C
+qx=4.05 //eV
+qVn=0.2 //eV
+Nc=2.86*10^19
+a=(qx+qVn)/(k*T)
+nth=exp(a)*Nc
+disp(nth,"the thermionically emitted electron density for nth at 4.05 in cm^3=") //textbook ans is wrong
+
+qx=0.6 //eV
+nth=exp(qx/(k*T))*Nc
+disp(nth,"the thermionically emitted electron density for nth at 0.6 in cm^3=") //textbook ans is wrong
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