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

---
 1938/CH2/EX2.25/2_25.sce | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100755 1938/CH2/EX2.25/2_25.sce

(limited to '1938/CH2/EX2.25/2_25.sce')

diff --git a/1938/CH2/EX2.25/2_25.sce b/1938/CH2/EX2.25/2_25.sce
new file mode 100755
index 000000000..c29186395
--- /dev/null
+++ b/1938/CH2/EX2.25/2_25.sce
@@ -0,0 +1,17 @@
+clc,clear
+printf('Example 2.25\n\n')
+
+I_L1=30,V=230
+R_sh=230,R_a=1
+I_sh= V / R_sh
+I_a1= I_L1 - I_sh
+E_b1 = V - I_a1*R_a
+
+//T (prop.) phi*I_a (prop.) I_a   as phi is constant
+//and torque is constant
+I_a2 = I_a1
+N2_by_N1= 1/2
+//N (prop.) E_b/phi (prop.) E_b
+E_b2= E_b1 *(N2_by_N1)
+R_x= (V- E_b2)/I_a2 - R_a     //Because E_b2 = V - I_a2*(R_a + R_x)
+printf('Resistance to be inserted in series = %.4f ohms ',R_x)
-- 
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