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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 /174/CH4/EX4.4 | |
| 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 '174/CH4/EX4.4')
| -rwxr-xr-x | 174/CH4/EX4.4/example4_4.sce | 36 | ||||
| -rwxr-xr-x | 174/CH4/EX4.4/example4_4.txt | 4 |
2 files changed, 40 insertions, 0 deletions
diff --git a/174/CH4/EX4.4/example4_4.sce b/174/CH4/EX4.4/example4_4.sce new file mode 100755 index 000000000..948146f6e --- /dev/null +++ b/174/CH4/EX4.4/example4_4.sce @@ -0,0 +1,36 @@ +// To design multirange dc voltmeter
+// Modern Electronic Instrumentation And Measurement Techniques
+// By Albert D. Helfrick, William D. Cooper
+// First Edition Second Impression, 2009
+// Dorling Kindersly Pvt. Ltd. India
+// Example 4-4 in Page 62
+
+
+clear; clc; close;
+
+// Given data
+// This is a repitition of example_4-3 with sensitivity method
+R_m = 100; // internal resistance of movement
+I_fsd = 1*(10^-3); //full-scale current in Amp
+V_1 = 10; //different ranges in volt
+V_2 = 50;
+V_3 = 250;
+V_4 = 500;
+
+//Calculations
+S = 1/ I_fsd; // sensitivity in ohm/V
+R_4 = (S * V_1)-R_m;
+R_3 = (S * V_2)-(R_4 +R_m);
+R_2 = (S * V_3)-(R_3 +R_4 +R_m);
+R_1 = (S * V_4)-(R_2 +R_3 +R_4 +R_m);
+
+printf("The value of the resistance R_4 = (%dohm/V *%dV)- %dohm = %d ohm\n",S,V_1,R_m,R_4);
+printf("The value of the resistance R_3 = (%dohm/V *%dV)- %dohm = %dK ohm\n",S,V_2,(R_4+R_m),R_3/1000);
+printf("The value of the resistance R_2 = (%dohm/V *%dV)- %dohm = %dK ohm\n",S,V_3,(R_3 +R_4 +R_m),R_2/1000);
+printf("The value of the resistance R_1 = (%dohm/V *%dV)- %dohm = %dK ohm",S,V_4,(R_2 +R_3 +R_4 +R_m),R_1/1000);
+
+//Result
+// The value of the resistance R_4 = (1000ohm/V *10V)- 100ohm = 9900 ohm
+// The value of the resistance R_3 = (1000ohm/V *50V)- 10000ohm = 40K ohm
+// The value of the resistance R_2 = (1000ohm/V *250V)- 50000ohm = 200K ohm
+// The value of the resistance R_1 = (1000ohm/V *500V)- 250000ohm = 250K ohm
diff --git a/174/CH4/EX4.4/example4_4.txt b/174/CH4/EX4.4/example4_4.txt new file mode 100755 index 000000000..0bb9fb2ed --- /dev/null +++ b/174/CH4/EX4.4/example4_4.txt @@ -0,0 +1,4 @@ +The value of the resistance R_4 = (1000ohm/V *10V)- 100ohm = 9900 ohm
+The value of the resistance R_3 = (1000ohm/V *50V)- 10000ohm = 40K ohm
+The value of the resistance R_2 = (1000ohm/V *250V)- 50000ohm = 200K ohm
+The value of the resistance R_1 = (1000ohm/V *500V)- 250000ohm = 250K ohm
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