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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.c | |
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initial commit / add all books
Diffstat (limited to '506/CH2/EX2.1.c')
| -rwxr-xr-x | 506/CH2/EX2.1.c/Example2_1c.sce | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/506/CH2/EX2.1.c/Example2_1c.sce b/506/CH2/EX2.1.c/Example2_1c.sce new file mode 100755 index 000000000..6440cb2e6 --- /dev/null +++ b/506/CH2/EX2.1.c/Example2_1c.sce @@ -0,0 +1,25 @@ +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
+//Resistivity if 1 donor atom per 10^8 germanium atoms
+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;
+p=(ni^2)/Nd;
+
+disp('holes/cm^3',p,'the concentration of holes is=');
+if(n>p)
+ A=n*q*yn;//Conductivity
+ disp('ohm-cm^-1',A,'The conductivity is =');
+end
+
+R=1/A;//Resistivity
+disp('ohm-cm',R,'The resistivity is=');
+
+
+//End
\ No newline at end of file |