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

---
 1538/CH18/EX18.5/Ex18_5.sce | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100755 1538/CH18/EX18.5/Ex18_5.sce

(limited to '1538/CH18/EX18.5')

diff --git a/1538/CH18/EX18.5/Ex18_5.sce b/1538/CH18/EX18.5/Ex18_5.sce
new file mode 100755
index 000000000..921407a58
--- /dev/null
+++ b/1538/CH18/EX18.5/Ex18_5.sce
@@ -0,0 +1,19 @@
+//example-18.5 
+//page no-548
+//given
+//resistance of wire at 70 degree celcius is 57.2 ohm and at 25 degrees celcius 50 ohm
+R25=50  //ohm
+R70=57.2  //ohm
+T1=25    //degree C
+T2=70  //degree C\
+//as we know that
+//Rt=R0*(1+t*alpha)
+//putting above values in the above given equation we get
+//R25=R0*(1+25*alpha)  -------(1)
+//R70=R0*(1+70*alpha)  --------(2)
+//applying R70/R25
+//we get
+//R70/R25=(1+70*alpha)/(1+25*alpha)
+//solving for alpha we get equation as follows
+alpha=(R70-R25)/(T2*R25-T1*R70)  //K^-1
+printf ("the temperature coefficient of resistance is %f K^-1",alpha)
-- 
cgit