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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 /1826/CH8/EX8.20 | |
| 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 '1826/CH8/EX8.20')
| -rwxr-xr-x | 1826/CH8/EX8.20/ex8_20.sce | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/1826/CH8/EX8.20/ex8_20.sce b/1826/CH8/EX8.20/ex8_20.sce new file mode 100755 index 000000000..78851a4d5 --- /dev/null +++ b/1826/CH8/EX8.20/ex8_20.sce @@ -0,0 +1,14 @@ +// Example 8.18, page no-221
+clear
+clc
+
+h=6.62*10^-34//Js
+m=9.1*10^-31//Kg
+e=1.6*10^-19//C
+ef=7*e
+k=((3/(8*%pi))^(2/3))*((h^2)/(2*m))
+k=ef/k
+n=k^(1.5)
+printf("The number of free electrons concentration in metal is %.2f *10^28 per cubic meter ",n*10^-28)
+vth=sqrt(2*ef/m)
+printf("\nThe termal velocity of electrons in copper is %.3f *10^6 m/s",vth*10^-6)
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