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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 /1511/CH2/EX2.18/ex2_18.sce | |
| 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 '1511/CH2/EX2.18/ex2_18.sce')
| -rwxr-xr-x | 1511/CH2/EX2.18/ex2_18.sce | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/1511/CH2/EX2.18/ex2_18.sce b/1511/CH2/EX2.18/ex2_18.sce new file mode 100755 index 000000000..c156835fe --- /dev/null +++ b/1511/CH2/EX2.18/ex2_18.sce @@ -0,0 +1,21 @@ +// Example 2.18 page no-72
+clear
+clc
+
+//(a)
+sigma=100 //Ohm-cm
+e=1.6*10^-19 //c
+mup=1800 //cm^2/V-sec
+ni=2.5*10^13 // /cm^3
+printf("\n(a)\nAs it is p-type semiconductor, p>>n.")
+pp=sigma/(e*mup)
+n=ni^2/pp
+printf("\nPp=%.2f*10^17 holes/cm^3\nn=%.1f*10^9 electrons/cm^3",pp/10^17,n/10^9)
+
+//(b)
+mun=1300
+sig=0.1
+n1=1.5*10^10
+n2=sig/(mun*e)
+p1=(n1^2)/n2
+printf("\n\n(b)\nn=%.2f*10^14 elecrons/cm^3\np=%.2f*10^5 holes/cm^3",n2/10^14,p1/10^5)
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