From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001
From: priyanka
Date: Wed, 24 Jun 2015 15:03:17 +0530
Subject: initial commit / add all books

---
 174/CH4/EX4.4/example4_4.sce | 36 ++++++++++++++++++++++++++++++++++++
 174/CH4/EX4.4/example4_4.txt |  4 ++++
 2 files changed, 40 insertions(+)
 create mode 100755 174/CH4/EX4.4/example4_4.sce
 create mode 100755 174/CH4/EX4.4/example4_4.txt

(limited to '174/CH4/EX4.4')

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 
-- 
cgit