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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 /2672/CH4/EX4.21 | |
| 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 '2672/CH4/EX4.21')
| -rwxr-xr-x | 2672/CH4/EX4.21/Ex4_21.sce | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/2672/CH4/EX4.21/Ex4_21.sce b/2672/CH4/EX4.21/Ex4_21.sce new file mode 100755 index 000000000..82cf1c885 --- /dev/null +++ b/2672/CH4/EX4.21/Ex4_21.sce @@ -0,0 +1,19 @@ +//Example 4_21
+clc;
+clear;
+close;
+format('v',7);
+//given data :
+h=1.05*10^-34;//Js//Planks Constant
+n0=6.02*10^23;//atom/mole
+n0=n0/72.6;//atom/gram
+n0=n0*5.32;//atom/cm^3
+ND=1/10^7*n0;//cm^-3
+T=300;//K
+//mc=1/2*mo
+mcBYmo=1/2;
+kBT=0.026;//eV//For T=300K
+Nc=ND*(mcBYmo*T)^(3/2);//cm^-3
+n0=ND;//cm^-3///Considering full ionization
+EF=kBT*log(n0/Nc);//eV
+disp(EF,"Position of fermi level(eV)")
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