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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 /284/CH4/EX4.4 | |
| 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 '284/CH4/EX4.4')
| -rwxr-xr-x | 284/CH4/EX4.4/ex_4.sce | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/284/CH4/EX4.4/ex_4.sce b/284/CH4/EX4.4/ex_4.sce new file mode 100755 index 000000000..f040adcf5 --- /dev/null +++ b/284/CH4/EX4.4/ex_4.sce @@ -0,0 +1,11 @@ +// Chapter 4_Carrier Transport Phenomenon
+//Caption_Carrier diffusion
+//Ex_4//page 150
+T=300
+d=0.10 //distance in cm over which concentration varies
+Dn=225 //diffusion coefficient
+e=1.6*(10^-19)
+delN=1*(10^18)-7*(10^17)
+J=e*Dn*(delN/d)
+printf('The diffusion current density is %1.2fd A/cm^3',J)
+
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