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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 /273/CH18/EX18.7/ex18_7.sce | |
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initial commit / add all books
Diffstat (limited to '273/CH18/EX18.7/ex18_7.sce')
| -rwxr-xr-x | 273/CH18/EX18.7/ex18_7.sce | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/273/CH18/EX18.7/ex18_7.sce b/273/CH18/EX18.7/ex18_7.sce new file mode 100755 index 000000000..fb75eadbd --- /dev/null +++ b/273/CH18/EX18.7/ex18_7.sce @@ -0,0 +1,14 @@ +clc;clear;
+//Example 18.7
+//calculation of hole concentration
+
+//given values
+ni=2.4*10^19;//carrier concentration per m^3
+N=4*10^28;//concentration of ge atoms per m^3
+
+//calculation
+ND=N/10^6;//donor cocntrtn
+n=ND;//no of electrones
+
+p=ni^2/n;
+disp(p,'concentartion of holes per m^3 is');
\ No newline at end of file |