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

---
 1949/CH6/EX6.18.2/Ex6_18_2.sce | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100755 1949/CH6/EX6.18.2/Ex6_18_2.sce

(limited to '1949/CH6/EX6.18.2')

diff --git a/1949/CH6/EX6.18.2/Ex6_18_2.sce b/1949/CH6/EX6.18.2/Ex6_18_2.sce
new file mode 100755
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+++ b/1949/CH6/EX6.18.2/Ex6_18_2.sce
@@ -0,0 +1,20 @@
+//Chapter-6,Example 6_18_2,Page 6-38
+clc()
+
+//Given Values:
+u0=4*%pi*10^-7     //Permeability in vacuum
+ur=380             //Relative permeability
+d=20*10^-2         //diameter of solenoid in m
+r=d/2              //radius of ring in m
+A=5*10^-4          //Crosss sectional area of ring in m^2
+phi=2*10^-3        //flux in weber
+N=200              //Number of turns
+
+//Calculations:
+l=%pi*d            //air gap in the ring
+S=(l/(u0*ur*A))    //Reluctance of iron ring
+printf('Reluctance of iron ring is =%.2f Amp-turn per Wb \n \n',S)
+
+//ohm's law for magnetic circuit is  phi=N*I/S. thus,
+I=S*phi/N          //required current
+printf(' Current required to obtain given magnetic flux is =%.2f Amperes \n',I)
-- 
cgit