diff options
| author | priyanka | 2015-06-24 15:03:17 +0530 |
|---|---|---|
| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /3440/CH7/EX7.2 | |
| 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/CH7/EX7.2')
| -rw-r--r-- | 3440/CH7/EX7.2/Ex7_2.sce | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/3440/CH7/EX7.2/Ex7_2.sce b/3440/CH7/EX7.2/Ex7_2.sce new file mode 100644 index 000000000..21dd4ee81 --- /dev/null +++ b/3440/CH7/EX7.2/Ex7_2.sce @@ -0,0 +1,26 @@ +clc
+
+T=300 //K
+k=8.617*10^-5 //eV/K
+q=1.6*10**-19 //C
+epsilonx=8.854*10^-14 //F/cm
+ni=9.65*10^9//cm^-3
+ND=10^16 //cm^-3
+Nc=2.86*10^19
+Dp=10//cm^2/s
+Lp=3.1*10^-3
+d=8*10^-7//cm
+Js=6.5*10^-5//A/cm^2
+V=0.67//V
+phibn=k*T*log((110*300^2)/Js)
+disp(Js,"Js in V is=") //textbook ans is wrong
+Vn=k*T*log(Nc/ND)
+disp(Vn,"Vn in V is=") //textbook ans is wrong
+Vbi=phibn-Vn
+disp(Vbi,"Vbi in V is=") //textbook ans is wrong
+W=sqrt((2*epsilonx*11.9*Vbi)/(q*ND))
+disp(W,"W in cm is =") //textbook ans is wrong
+Jpo=(q*Dp*ni^2)/(Lp*ND)
+disp(Jpo,"Jpo in A/cm^2 is=")
+z=Js/Jpo
+disp(z,"Js/Jpo ratio of current densities is=")
|