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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 /174/CH4/EX4.9/example4_9.sce | |
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initial commit / add all books
Diffstat (limited to '174/CH4/EX4.9/example4_9.sce')
| -rwxr-xr-x | 174/CH4/EX4.9/example4_9.sce | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/174/CH4/EX4.9/example4_9.sce b/174/CH4/EX4.9/example4_9.sce new file mode 100755 index 000000000..a36aa7b1b --- /dev/null +++ b/174/CH4/EX4.9/example4_9.sce @@ -0,0 +1,26 @@ +// To find multiplier resistor
+// Modern Electronic Instrumentation And Measurement Techniques
+// By Albert D. Helfrick, William D. Cooper
+// First Edition Second Impression, 2009
+// Dorling Kindersly Pvt. Ltd. India
+// Example 4-9 in Page 79
+
+
+clear; clc; close;
+
+// Given data
+R_m = 50; //Internal resistance of the movement in ohm
+I_fsd = 1 *(10^-3); //current for full scale deflection in ampere
+E_rms = 10; // AC voltage applied to input terminals in volt
+
+//Calculation
+disp('Assuming zero forward resistance and infinite reverse resistance');
+E_dc = round(2 *sqrt(2)*E_rms/%pi);
+R_t = E_dc / I_fsd; //Total circuit resistance
+R_s = R_t - R_m; //Calculating multiplier resistor
+printf("The value of the multiplier resistor, R_s = %d ohm",R_s);
+
+//Result
+// Assuming zero forward resistance and infinite reverse resistance
+// The value of the multiplier resistor, R_s = 8950 ohm
+
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