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

---
 1529/CH18/EX18.11/18_11.sce | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100755 1529/CH18/EX18.11/18_11.sce

(limited to '1529/CH18/EX18.11/18_11.sce')

diff --git a/1529/CH18/EX18.11/18_11.sce b/1529/CH18/EX18.11/18_11.sce
new file mode 100755
index 000000000..664002835
--- /dev/null
+++ b/1529/CH18/EX18.11/18_11.sce
@@ -0,0 +1,24 @@
+//Chapter 18, Problem 11
+clc;
+
+//initializing the variables:
+R = 15;                 //resistance in ohms
+V = 110;                //supply voltage
+taw = 2;                //time constant
+t1 = 3;                 // in secs
+i2 =5;                  // in amperes
+
+//calculation:
+L = taw*R
+t = 0:0.1:10
+I = V/R
+i = I*(%e^(-1*t/taw))
+plot2d(t,i)
+xtitle("current/time characteristic", "t", "i")
+i1 = I*(%e^(-1*t1/taw))
+t2 = -1*taw*log((i2/I))
+
+
+printf("\n Inductance is %.0f H\n\n",L)
+printf("\n (a)The current flowing in the winding 3 s after being shorted-out = %.2f A\n\n",i1)
+printf("\n (b)The time for the current to decay to 5 A = %.3f sec\n\n",t2)
-- 
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