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| author | priyanka | 2015-06-24 15:03:17 +0530 |
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| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /3492/CH5/EX5.3 | |
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initial commit / add all books
Diffstat (limited to '3492/CH5/EX5.3')
| -rw-r--r-- | 3492/CH5/EX5.3/Ex5_3.sce | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/3492/CH5/EX5.3/Ex5_3.sce b/3492/CH5/EX5.3/Ex5_3.sce new file mode 100644 index 000000000..129a3a47c --- /dev/null +++ b/3492/CH5/EX5.3/Ex5_3.sce @@ -0,0 +1,21 @@ +clc
+//Chapter5
+//Ex_3
+//Given
+e=1.6*10^-19 // in coulombs
+ue=1350//in cm2/V/s
+uh=450//in cm2/V/s
+ni=1.45*10^10 //in cm^-3
+L=1 //in cm
+A=1 //in cm2
+N_Si=5*10^22 //in cm^-3
+sigma=e*ni*(ue+uh)
+R=L/(sigma*A)
+disp(R,"Resistance of a pure Silicon crystal in ohms is")
+Nd=N_Si/10^9
+n=Nd //at room temperature
+p=ni^2/Nd
+sigma=e*n*ue
+R=L/(sigma*A)
+disp(R,"Resistance in ohms of Silicon crystal when dopped with Arsenic with 1 in 10^9 is")
+
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