diff options
| 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/EX4.10 | |
| 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/EX4.10')
| -rwxr-xr-x | 174/CH4/EX4.10/example4_10.sce | 38 | ||||
| -rwxr-xr-x | 174/CH4/EX4.10/example4_10.txt | 3 |
2 files changed, 41 insertions, 0 deletions
diff --git a/174/CH4/EX4.10/example4_10.sce b/174/CH4/EX4.10/example4_10.sce new file mode 100755 index 000000000..3ea25fd19 --- /dev/null +++ b/174/CH4/EX4.10/example4_10.sce @@ -0,0 +1,38 @@ +// To find voltmeter sensitivity on AC range
+// Modern Electronic Instrumentation And Measurement Techniques
+// By Albert D. Helfrick, William D. Cooper
+// First Edition Second Impression, 2009
+// Dorling Kindersly Pvt. Ltd. India
+// Example 4-10 in Page 81
+
+
+clear; clc; close;
+
+// Given data
+R_m = 100; //Internal resistance of the movement in ohm
+R_sh = 100;
+I_fsd = 1*(10^-3); //current for full scale deflection
+R_D1 = 400;
+R_D2 = 400;
+E_rms = 10; //AC range of the voltmeter
+
+//Calculations
+disp('Assuming infinite reverse resistance');
+I_t = 2 *I_fsd;
+E_dc = 0.45 * E_rms;
+R_t = E_dc / I_t;
+R_p = R_m *R_sh/(R_m+R_sh);
+R_s = R_t - (R_D1 + R_p);
+printf("(a) The value of the multiplier resistor required, R_s = %d ohm\n",R_s);
+S = R_t / E_rms;
+printf("(b) The sensitivity of the voltmeter on ac range, S = %d ohm/V",S);
+
+//Result
+// Assuming infinite reverse resistance
+// (a) The value of the multiplier resistor required, R_s = 1800 ohm
+// (b) The sensitivity of the voltmeter on ac range, S = 225 ohm/V
+
+
+
+
+
diff --git a/174/CH4/EX4.10/example4_10.txt b/174/CH4/EX4.10/example4_10.txt new file mode 100755 index 000000000..fa9b08ae2 --- /dev/null +++ b/174/CH4/EX4.10/example4_10.txt @@ -0,0 +1,3 @@ +Assuming infinite reverse resistance
+(a) The value of the multiplier resistor required, R_s = 1800 ohm
+(b) The sensitivity of the voltmeter on ac range, S = 225 ohm/V
|