From 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 Mon Sep 17 00:00:00 2001
From: prashantsinalkar
Date: Tue, 10 Oct 2017 12:27:19 +0530
Subject: initial commit / add all books

---
 3784/CH4/EX4.40/Ex4_40.sce | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 3784/CH4/EX4.40/Ex4_40.sce

(limited to '3784/CH4/EX4.40/Ex4_40.sce')

diff --git a/3784/CH4/EX4.40/Ex4_40.sce b/3784/CH4/EX4.40/Ex4_40.sce
new file mode 100644
index 000000000..95420d847
--- /dev/null
+++ b/3784/CH4/EX4.40/Ex4_40.sce
@@ -0,0 +1,17 @@
+clc
+//Variable Initialisation
+Ea=220//Input Voltage of motor in volts
+N1=700//Rated Speed of Motor in rpm
+T1=247
+Ra=0.06//Armature resistance in ohm
+Rf=0.04
+d1=0.7
+T2=1.5*T1
+Ia1=133//Armature Current in Ampere
+//Solution
+K=T2/Ia1
+R=Ra+Rf
+Eb=(d1*Ea)-(Ia1*R)//Wrong value taken in book for Armature current
+W=Eb/K
+N2=W*60/(2*%pi)
+printf('\n\n Motor Speed=%0.1f rpm\n\n',N2)//The answer provided in the textbook is wrong
-- 
cgit