ELECTRICAL ENGINEERING
PRACTICE SET-1
Q.1:- The resistance of a strip of copper of rectangular cross-section is 2. A metal of resistivity twice
that of copper is coated on its upper surface to a thickness equal to that of copper strip. The
resistance of c

ANALYTIC GEOMETRY
Distance Between Two Points
Horizontal distance = xR xL
Vertical distance = yH yL
d
x2
x1 y 2 y1
2
2
The Straight Line
Slope of a Line:
m tan
m
y 2 y1
x 2 x1
The slope, m is positive if the line is inclined
upwards to the right but i

School of EECE
DC MACHINERY
References:
1. Electric Machines, 2nd ed. by Charles Hubert, 2002
2. A Textbook of Electrical Technology, 22nd ed. by Theraja and
Theraja, 199
3. Principles of Electric Machines with Power Electronics Applications,
2nd ed. by E

School of EE ECE COE
NETWORK ANALYSIS 1
PART 1
1.
2.
3.
4.
5.
6.
7.
Introduction
Electrical quantities, prefixes
Active and passive circuit components
Nature of wire resistance
Ohms law and Kirchhoffs laws; series, parallel, and series-parallel circuits
D

School of EECE
ELECTRICAL CIRCUITS 3
POLYPHASE SYSTEMS
Single-phase systems:
Single phase, 2-wire systems
Single phase, 3-wire systems
Polyphase systems:
2-phase, 3-wire and 4-wire systems
3-phase, 3-wire and 4-wire systems
6-phase, 12-phase, etc
Advantag

DIFFERENTIAL CALCULUS
Limits:
LHpitals Rule:
f ' ( x)
0
or
If lim f ( x ) is indeterminate of the form
and if lim
exists, then
x a
x a g ' ( x )
0
lim
x a
Indeterminate Forms:
f ( x)
f ' ( x)
= lim
x a g ' ( x )
g ( x)
0
,
, 0 , , 0 0 , 0 , 1
0
Differen

ELECTRICAL ENGINEERING
PRACTICE SET- 2
Q.1:- Two materials have resistance temperature coefficients of 0.004 and 0.0002 respectively at a given
temperature. In what ratio should the wires made of these materials be connected in series so as to have an
ove

ELECTRICAL ENGINEERING
PRACTICE SET- 3
Q1. In the figure below, the current of 1 ampere flows through the resistance of:
(a) 4 ohms
(b) 20 ohms
(c) 30 ohms
(d) 12 ohms
Q2. Give that
E = time and space dependent electric intensity vector
= permeability of

School of EECE
AC MACHINERY
References:
1. Electric Machines, 2nd ed. by Charles Hubert, 2002
2. A Textbook of Electrical Technology, 22nd ed. by Theraja and
Theraja, 1999
3. Principles of Electric Machines with Power Electronics Applications,
2nd ed. by

EE2403 Special Electrical Machines
Department of EEE
2012-2013
UNIT I SYNCHRONOUS RELUCTANCE MOTORS
PART - A
1. What are the different types of reluctance machines? Compare them.
The synchronous reluctance motor is used in industry, where motors are requi