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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/CH2/EX2.22 | |
| 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 '181/CH2/EX2.22')
| -rwxr-xr-x | 181/CH2/EX2.22/example2_22.sce | 27 | ||||
| -rwxr-xr-x | 181/CH2/EX2.22/example2_22.txt | 5 |
2 files changed, 32 insertions, 0 deletions
diff --git a/181/CH2/EX2.22/example2_22.sce b/181/CH2/EX2.22/example2_22.sce new file mode 100755 index 000000000..9b4c8003e --- /dev/null +++ b/181/CH2/EX2.22/example2_22.sce @@ -0,0 +1,27 @@ +// Factor to be multiplied with current
+// Basic Electronics
+// By Debashis De
+// First Edition, 2010
+// Dorling Kindersley Pvt. Ltd. India
+// Example 2-22 in page 100
+
+clear; clc; close;
+
+// Given data
+V_T=0.0364; // Thermal voltage in V
+// Simplified expression for I has been derived
+I_25=0.01; // Current at 25 degrees in mA
+I_150=2.42; // Current at 150 degrees in mA
+
+// Calculation
+printf("At 150 degrees:\n");
+I=5792*(exp(0.4/0.0728)-1);
+printf("I = %0.0f * Io(25)\n",I);
+printf("At 25 degrees:\n");
+I=exp(0.4/0.0514)-1;
+printf("I = %0.0f * Io(25)\n",I);
+R=I_150/I_25;
+printf("Factor to be multiplied with current = %0.0f",R);
+
+// Result
+// When temp is increased from 25-150 degrees,current has to be multiplied by 242
\ No newline at end of file diff --git a/181/CH2/EX2.22/example2_22.txt b/181/CH2/EX2.22/example2_22.txt new file mode 100755 index 000000000..d835d9096 --- /dev/null +++ b/181/CH2/EX2.22/example2_22.txt @@ -0,0 +1,5 @@ + At 150 degrees:
+I = 1403698 * Io(25)
+At 25 degrees:
+I = 2396 * Io(25)
+Factor to be multiplied with current = 242
\ No newline at end of file |