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

---
 1544/CH1/EX1.18/Ch01Ex18.sce | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100755 1544/CH1/EX1.18/Ch01Ex18.sce

(limited to '1544/CH1/EX1.18/Ch01Ex18.sce')

diff --git a/1544/CH1/EX1.18/Ch01Ex18.sce b/1544/CH1/EX1.18/Ch01Ex18.sce
new file mode 100755
index 000000000..2c7dc8906
--- /dev/null
+++ b/1544/CH1/EX1.18/Ch01Ex18.sce
@@ -0,0 +1,13 @@
+// Scilab code Ex1.18: Pg 23 (2008)
+
+clc; clear;
+R_1 = 250;           // Resistance of field coil, ohm
+Theta_1 = 15;        // Initial temperature of motor, degree celcius 
+Theta_2 = 45;        // Final temperature of motor, degree celcius
+Alpha = 4.28e-03;     // Temperature coefficient of resistance, per degree celcius
+// Using relation, R_1/R_2 = ( 1 + Alpha*Theta_1 )/( 1 + Alpha*Theta_2 ), solving for R_2
+R_2 = R_1 * (( 1 + Alpha*Theta_2 )/( 1 + Alpha*Theta_1 ));      // Resistance, ohms
+printf("\nThe resistance of field coil at %2d degree celcius = %5.1f ohm",Theta_2, R_2)
+
+// Result
+// The resistance of field coil at 45 degree celcius = 280.2 ohm
-- 
cgit