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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 /2216/CH7/EX7.1/ex_7_1.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 '2216/CH7/EX7.1/ex_7_1.sce')
| -rwxr-xr-x | 2216/CH7/EX7.1/ex_7_1.sce | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/2216/CH7/EX7.1/ex_7_1.sce b/2216/CH7/EX7.1/ex_7_1.sce new file mode 100755 index 000000000..6764caec5 --- /dev/null +++ b/2216/CH7/EX7.1/ex_7_1.sce @@ -0,0 +1,16 @@ +//Example 7.1: Intrinsic carrier +clc; +clear; +close; +//given data : +format('v',9) +m=9.11*10^-31;// in kg +k=1.38*10^-23;// in JK^-1 +h=6.626*10^-34;// in Js +ev=1.6*10^-19;// in J +T=300;// in K +me=0.07*m;// in kg +mh=0.56*m;// in kg +Eg=1.43*ev;// in J +ni=2*((2*%pi*k*T)/h^2)^(3/2)*(me*mh)^(3/4)*exp(-Eg/(2*k*T)); +disp(ni,"Intrinsic carrier concentration ,ni(m^-3) = ") |