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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 /506/CH2/EX2.1.d | |
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initial commit / add all books
Diffstat (limited to '506/CH2/EX2.1.d')
| -rwxr-xr-x | 506/CH2/EX2.1.d/Example2_1d.sce | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/506/CH2/EX2.1.d/Example2_1d.sce b/506/CH2/EX2.1.d/Example2_1d.sce new file mode 100755 index 000000000..7594c154f --- /dev/null +++ b/506/CH2/EX2.1.d/Example2_1d.sce @@ -0,0 +1,26 @@ +clear;
+clc;
+
+disp('We know that n=p=ni where n is conc of free electron p is conc of holes and ni is conc of intrinsic carriers');
+//Given data
+//Ratio of Conductivities
+Nd=4.41*(10^14);//in atoms/cm^3
+ni=2.5*(10^13);//in cm^3
+yn=3800;//in cm^2/V-s
+q=1.6*(10^-19);
+
+n=Nd;
+A=n*q*yn;//Conductivity
+
+//If germanium atom were monovalent metal , ratio of conductivity to that of n-type semiconductor
+
+n=4.41*(10^22);//in electrons/cm^3
+
+disp('If germanium atom were monovalent metal');
+A1=n*q*yn;
+disp('ohm=cm^-1',A1,'the coductivity of metal is=');
+
+F=A1/A;
+disp(F,'The factor by which the coductivity of metal is higher than that of n type semiconductor is');
+
+//End
\ No newline at end of file |