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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 /181/CH1/EX1.28/example1_28.sce | |
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| -rwxr-xr-x | 181/CH1/EX1.28/example1_28.sce | 23 |
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diff --git a/181/CH1/EX1.28/example1_28.sce b/181/CH1/EX1.28/example1_28.sce new file mode 100755 index 000000000..82277dfc5 --- /dev/null +++ b/181/CH1/EX1.28/example1_28.sce @@ -0,0 +1,23 @@ +// To prove,resistivity is 45 ohm-cm
+// Basic Electronics
+// By Debashis De
+// First Edition, 2010
+// Dorling Kindersley Pvt. Ltd. India
+// Example 1-28 in page 53
+
+clear; clc; close;
+
+// Data given
+ni=2.5*10^13; // Intrinsic concentration /cm^3
+mu=5600; // Sum of mobilities of holes and electrons
+e=1.6*10^-19; // Charge on an electron in C
+
+// Calculation
+sigma=e*ni*mu;
+printf("Conductivity of germanium is %0.3f (s/cm)^-1\n",sigma);
+rho=1/sigma;
+printf("Therefore resistivity is %0.1f ohm-cm",rho);
+
+// Result
+// Conductivity of germanium = 0.0232 (s/cm)^-1
+// Resistivity = 44.6 ohm-cm
\ No newline at end of file |