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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/CH3/EX3.4 | |
| 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/CH3/EX3.4')
| -rw-r--r-- | 3440/CH3/EX3.4/Ex3_4.sce | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/3440/CH3/EX3.4/Ex3_4.sce b/3440/CH3/EX3.4/Ex3_4.sce new file mode 100644 index 000000000..4fc4ecd52 --- /dev/null +++ b/3440/CH3/EX3.4/Ex3_4.sce @@ -0,0 +1,20 @@ +clc
+
+T=300 //K
+k=8.617*10^-5 //eV/K
+q=1.6*10**-19 //C
+NA=2*10^19 //cm^-3
+ND=8*10^15 //cm^-3
+V=4//V
+ni=9.65*10^9
+epsilonx=8.854*10^-14 //F/cm
+Vbi=(k*T)*log(NA*ND/ni^2)
+disp(Vbi,"the built in potential in V=")
+W=sqrt((2*Vbi*11.9*epsilonx)/(q*ND))
+disp(W,"W in cm =") // ans in textbook is wrong
+Cj=sqrt((q*epsilonx*11.9*ND)/(2*Vbi))
+disp(Cj,"Cj in F/cm^2 =")
+W1=sqrt((2*(Vbi+V)*11.9*epsilonx)/(q*ND))
+disp(W1,"W1 in cm=")
+Cj1=sqrt((q*epsilonx*11.9*ND)/(2*(Vbi+V)))
+disp(Cj1,"Cj1 in F/cm^2")
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