MANAGEMENT EDUCATION AND RESEARCH INSTITUTE
COLLEGE OF ENGINEERING AND TECHNOLOGY
(DEPARTMENT OF
ELECTRICAL & ELECTRONICS
ENGINEERING)
Session

20
1
3
Semester:
1st
Name of the Faculty
:
E
r.
Ajay Jangra
Subject & Code:
El
ectrical Technology

I
(
EE

101

F
)
COURSE OBJECTIVE

This subject
emphasizes on
fundamental
of
electrical
engg.
w
ith basic
network laws and theorems
.
The
most importan
t area of electrical technology
i.e.
basic laws an
d theorems, single phase and three phase
a.c. circuits,
transformer
, Electrical
Machine
s and measuring instruments
will be explained.
Af
t
er the
completion of the course student
wil
l be able to
have
fundamental
knowledge of all said components
which will be
utilized in later part of engineering education.
METHODOLOGY:
i.
The pedagogy will be lectures, presentations, Tutorials, assignments and class work
moke test
,
seminar by outsider expert faculty, Discipline in class, presentation by students.
EVALUATION

Besides the semester end
–
examination, the students will be continuously assessed during the course
on the following basis
i.
Mid Term Examinations
: 30 Marks
ii.
Internal Assessment
:
20 Marks
( Assignments +Attendance
+
Discipline in class + class
Performance.
iii
.
End Semester Examination
: 100 Marks
Total
: 150 Marks
LESSON

PLAN
Detailed Course
Contents
References
Contact Hours
SECTION
A
D.C. Network Laws and Theorems :
a) Ohm's
Law, Kirchoff's Laws, Nodal and Loop methods of
analysis, Star to Delta & Delta to Star transformation.
b) Thevenin's theorem, Norton's theorem, superposition
theorem, maximum power transfer theorem, Millman's
theorem
.
Elec
trical Technology
(Vol

I
) B.L. Th
eraja & A K
Theraja, S. Chand
(Chapter No. 1 & 2
)
&
Fundamentals of
Electrical
&
e
lectron
ics
Engineering: S. K. Sahdev
Dhanpat Rai & Co.
(Chapter No. 2
)
17/8/13
To
5/9/13
10
SECTION
B
Single Phase A.C. Circuits :
a) Sinusoidal signal, instantane
ous and peak values, RMS and
average values, crest and peak factor, Concept of phase,
representation

polar & rectangular, exponential and
trigonometric forms, behaviors of R,L and C components in
A.C. circuits.
b) Series and Paralle A.C. circuits. Concept
of active and reactive
power, power factor, series and parallel reasonance, Q factor,
cut

off frequencies and bandwidth.
Elec
trical Technology
(Vol

I
) B.L. Theraja &
A
.
K
.
Theraja, S. Chand
(Chapter No. 11, 13 &
14
)
&
Fundamentals of
Electrical & electr
onics
Engineering: S. K.
Sahdev
Dhanpat Rai & Co.
(Chapter No. 9 & 10
)
5/9/13
To
28/9/13
06
08
SECTION
C
:
Three Phase A.C. Circuits :
Phase and line voltage and currents, balanced star and circuits,
power
equation, measurement of power by two wa
ttmeter
method,
introduction to unbalanced circuits.
Transformers :
Construction, EMF equation, ideal transformer, Phasor diagram
on
no load and full load, equivalent circuit, losses, regulation
and efficiency,
open and short circuit test.
Elec
trical Techn
ology
(Vol

I
) B.L. Theraja &
A
.
K
.
Theraja, S. Chand
(Chapter No. 19
)
&
Fundamentals of
Electrical & electronics
Engineering: S. K.
Sahdev
Dhanpat Rai & Co.
(Chapter No. 11 & 13
)
1/10/13 to
06/11/13
06
08
SECTION
D
:
Electrical Machines :
Const
ruction, Principle, working E.M.F. equation and losses of D.C.
machine, comparison of construction and working of D.C. machine
with induction motor and synchronous machine application of DC
machines.
Measuring Instrumets :
Construction, operating and uses
of moving iron type and moving coil
type, induction type voltmeter, Ammeter, watt meter, energy meter.
Fundamentals of
Electrical & electronics
Engineering: S. K. Sahdev
Dhanpat Rai & Co.
(Chapter No. 12, 14, 15
& 16
)
Electrical Technology
(Vol

I) B.L.
Theraja & A.
K. Theraja, S. Chand
(Chapter No.
10
)
07/11/13
to
23/11/13
10
Total Lectures
:
4
8
TEXT BOOKS AND REFERENCE BOOKS
Text Books :
1. Basic Electric Engg (2nd Edition) : Kothari, TMH
2. Electrical Te
chnology (Vol

I, Vol

II) B.L. Theraja & A K Theraja, S. Chand
3. Fundamental of Electrical & Electronics Engineering, S.K.Sahdev: Dhanpat Rai Publication
REF. BOOKS:
1. Electrical Engineering Fundamentals : Deltoro, PHI
2. N
etwork A
nalysis ; Valkenburg
, PHI
3. Electrical and Electronic Technology (8th Edition) : Hughes, Pearson.
4. Electrical Technology By R K Rajput.
5.
Electrical Technology By
J.B
.
Gupta, Katson Books.
MANAGEMENT EDU
CATION AND RESEARCH INSTITUTE (MERI)
COLLEGE OF ENGINEERING AND TECHNOLOGY
(DEPARTMENT OF
ELECTRICAL & ELECTRONICS
ENGINEERING)
Session

2013
Semester: 1st
Name of the Faculty: Er.
Ajay Jangra
Subject & Code:
Electrical Technology
–
I
(
EE

101

F
)
L (3) T (1) P (0)
Date of Assignment:
24/8/2013
Date of Submission:
28/8/2013
Date of discussion:
31/8/2013
ASSIGNMENT

1
1.
State and explain Ohm’s law.
2.
State and explain Kirchhoff’s current and voltage laws.
3.
Explain the nodal voltage method for
solving a network. How are the nodal equations
written?
4.
State and explain superposition theorem how is it applied for solving a network?
5.
State Thevenin’s theorem illustrate the application of the theorem with reference to an
appropriate electric network.
6.
State and explain Norton’s theorem. Show that this theorem is just the converse of Thevenin’s
theorem.
7.
State the maximum power transfer theorem. Show that for maximum power transfer R
L
= R
th
and explain its importance.
8.
Derive the necessary equations for co
nverting a delta network into an equivalent star
network.
9.
Solve the network
shown in fig below and find the current in each branch.
10.
Explain reciprocity theorem?
MANAGEMENT EDUCATION AND RESEARCH INSTITUTE (MERI)
COLLEGE OF ENGINEERING
AND TECHNOLOGY
(DEPARTMENT OF
ELECTRICAL & ELECTRONICS
ENGINEERING)
Session

20
13
Semester: 1st
Name of the Faculty: Er.
Ajay Jangra
Subject & Code:
Electrical Technology
–
I
(
EE

101

F
)
L (3) T (1) P (0)
Date of Assignment:
11/9/2013
Date of
Submission:
17/9/2013
Date of discussion:
18/9/2013
ASSIGNMENT

2
1.
Define following terms related to single phase ac circuits:
a)
Wave form b) Instantaneous Value C) Cycle d) Alternation e) Time period
2.
Explain the following terms
a)
Peak
factor
b) Average Value
c) Effective or RMS Value
d) Crest Factor
e) Form factor
3.
Explain Phasor representation of sinusoidal quantity.
4.
Explain how a sinusoidal e.m.f. is generated?
5.
Explain the behavior of a.c. circuit containing pure resistan
ce only.
6.
Explain the behavior of a.c. circuit containing pure inductance only.
7.
Explain the behavior of a.c. circuit containing pure capacitor only.
8.
An a.c. circuit consists of pure resistance of 10 ohms and is connected across an ac supply of
230 V , 50 Hz
. Calculate i) Current ii) Power consumed and iii)
Write down the equation for
voltage & current.
9.
xplain wh phasor of voltage across an inductor leads its current and the phasor of
voltage across a capacitor lags its current .
10.
Explain the b
ehavior of series R

L circuit.
MANAGEMENT EDUCATION AND RESEARCH INSTITUTE (MERI)
COLLEGE OF ENGINEERING AND TECHNOLOGY
(DEPARTMENT OF
ELECTRICAL & ELECTRONICS
ENGINEERING)
Session

20
1
3
Semester: 1st
Name of the Faculty: Er.
Ajay J
angra
Subject & Code:
Electrical Technology
–
I
(
EE

101

F
)
L (3) T (1) P (0)
Date of Assignment:
28/9/2013
Date of Submission:
3/10/2013
Date of discussion:
4/10/2013
ASSIGNMENT

3
1.
Show that the power consumed in a pure resistive circuit is no
t constant but it is fluctuating.
2.
Define the term wattles current.
3.
What do you understand by real power, reactive power & apparent power?
4.
What is power factor? Discuss the practical importance of power factor.
5.
The series resonant circuit is often regarded
as the acceptor circuit and parallel circuit as the
rejecter
circuit. Explain.
6.
Define Q

factor for the series resonant circuit and explain in terms of circuit parameters.
7.
Define admittance, conductance and susceptance.
8.
Compare series and parallel resonance
.
9.What are synchronous machines? Draw their block diagram and explain their working.
10.Diffenciate b/w induction motor and synchronous motor
MANAGEMENT EDUCATION AND RESEARCH INSTITUTE (MERI)
COLLEGE OF ENGINEERING AND TECHNOL
OGY
(DEPARTMENT OF
ELECTRICAL & ELECTRONICS
ENGINEERING)
Session

20
13
Semester: 1st
Name of the Faculty: Er.
Ajay jangra
Subject & Code:
Electrical Technology
–
I
(
EE

101

F
)
L (3) T (1) P (0)
Date of Assignment:
8
/10/2013
Date of Submission:
12
/9/2013
Date of discussion:
15
/10/2013
ASSIGNMENT

4
1.
Define poly phase system.
2.
What are the advantages of three phase system over single phase system?
3.
Explain generation of three phase e.m.f.
4.
Derive the relation between phase voltage & line volt
age and phase current & line current in
case of star connection.
5.
Derive the relation between phase voltage & line voltage and phase current & line current in
case of delta connection.
6.
Develop an expression for total power in a balanced three phase load.
7.
H
ow power is measured by two
watt meters
in a
3

phase balanced load? Explain with the
help of neat circuit and phasor diagram.
8.
Define transformer. Develop an expression for e.m.f. equation of transformer.
9.
Explain two wattmeter method.
10.
Diffenciate between s
ingle phase and three phase system.
MANAGEMENT EDUCATION AND RESEARCH INSTITUTE (MERI)
COLLEGE OF ENGINEERING AND TECHNOLOGY
(DEPARTMENT OF
ELECTRICAL & ELECTRONICS
ENGINEERING)
Session

20
13
Semester: 1st
Name of the Facul
ty: Er.
Ajay Jangra
Subject & Code:
Electrical Technology
–
I
(
EE

101

F
)
L (3) T (1) P (0)
Date of Assignment:
1
9
/10/2013
Date of Submission:
26
/10/2013
Date of discussion:
29
/10/2013
ASSIGNMENT

5
1.
What is an ideal transformer?
2.
What will happen
if a transformer is connected to d.c.?
3.
Draw the simplified equivalent circuit of a transformer on load.
4.
Explain what is meant by regulation of a transformer?
5.
What are the various losses in a transformer? Where do they occur and how do they vary with
load?
6.
Define efficiency of a transformer and find the condition for obtaining maximum efficiency.
7.
Explain open circuit and short circuit test of a single phase transformer giving circuit diagram
for each test. Also mention uses of these tests.
8.
An rms voltage in
a three phase star c
ircuit is given by 231V (ph

N). W
rite the instantaneous
voltage
expression. If the current
in each phase lag the corresponding phase voltage
what are the expressions of instantaneous currents?
9.
Explain the construction of transformer.
10.
Derive the emf equation of transformer.
MANAGEMENT EDUCATION AND RESEARCH INSTITUTE
(MERI)
COLLEGE OF ENGINEERING AND TECHNOLOGY
(DEPARTMENT OF
ELECTRICAL & ELECTRONICS
ENGINEERING)
Session

20
13
Semester: 1st
Name of the Faculty: Er.
Ajay jangra
Subject & Code:
Electrical Technology
–
I
(
EE

101

F
)
L (3) T (1) P (0)
Date of
Assignment:
6/11
/2013
Date of Submission:
1
2/1
1
/2013
Date of discussion:
15
/1
1
/2013
ASSIGNMENT

6
1.
Explain the constructional features of a dc machine.
2.
Explain the working principle of a DC machine.
3.
Develop an expression for
e.m.f. equation of a
Dc machine.
4.
Draw and e
xplain the construction and working of induction motor.
5.
Draw and explain the construction and working of synchronous motor.
6.
Write comparison between DC machine and induction motor.
7.
Write short note on
a)
Moving iron type instruments
b)
Ene
rgy meter
8.
Write short note on wattmeter.
9.
What are synchronous machines? Draw their block diagram and explain their working.
10.
Diffenciate b/w induction motor and synchronous motor.
MANAGEMENT EDUCATION AND RESEARCH INSTITUTE (MERI)
COLLEGE OF ENG
INEERING AND TECHNOLOGY
(DEPARTMENT OF
ELECTRICAL & ELECTRONICS
ENGINEERING)
Session

20
13
Semester: 1st
Name of the Faculty: Er.
Ajay jangra
Subject & Code:
Electrical Technology
–
I
(
EE

101

F
)
L (3) T (1) P (0)
Date of Assignment:
19
/1
1
/201
3
Date of Submission:
23
/1
1
/2013
Date of discussion:
2
6
/1
1
/2013
ASSIGNMENT

7
1.
What are synchronous machines? Draw their block diagram and explain their working.
2.
A three phase Y connected load has an inductor of 500mH and capacitor of 100PF in each
phase.
The load is connected across a 100V, 50 Hz three phase balanced system. Find the line currents
for load.
3.
Can a transformer work on D.C supply? Justify your answer.
4.
Draw the phasor diagram of a fully loaded transformer for resistive, inductive and c
apacitive
loads.
5.
What is the working principal of a transformer.
6 A parallel circuit consists of a coil having 15
Ω
resistance and 300 mH inductance in parallel
with a capacitor of capacitance 4
μ
F. Determine i) the resonant frequency ii) Dynamic impedance of the
circuit iii) Q

factor of the circuit at resonance.
7.Find the impedance , current and power factor of
the following series circuits and draw the
corresponding phasor diagrams:
i)
R and L
ii.
R and C
iii
R, L and C
In each case the applied voltage is 200 V, the frequency is 50 Hz; R = 10 ohms; L = 50 mH;
C = 100
μ
F.
8.
Define following terms:
a)
Electric
network
(b)
Branch
(c)
Node
(d)
Loop
(e)
Active and passive elements
11.
Define active power , reactive power and real power.
Focal Points
1.
Special attention will be given
from section A on the topics
introduction
t
o Energy bands and superconductivity
.
2.
Practical Knowledge will be give regularly after theory classes.
3.
Introduction of re
cent technology rel
ated to Semiconductors
with the
help of journals and internet.
4.
Special a
ttention will be given
from section B on the topic
of Diode
&
LED, solar cells
their parameters & performance.
5.
Special attention will be given from section C & D on the topic
of
MOSFET and BJT
circuits
.
6.
Group discussion will be organized to remove hesitat
ion of local
students.
7.
Special seminar will be conduct by expert faculties of concern field.
8.
Website links will be provided to student for getting recently developed
fu
ndaments related to
ELECTRONIC DEVICES
.
9.
Industrial visit will be organized for the stud
ent to enhance their practical
knowledge and they will get more interest on their future AIM.
10.
Regular class test after completion of every UNIT.
1.
In a flash analog

to

digital converter, the output of each comparator is connected to an
input of
a ________.
A.
decoder
B.
priority encoder
C.
multiplexer
D.
demultiplexer
View Answer
Workspace
Report
Discuss in Forum
2.
Which term applies to the maintaining of a given signal level until the next sampling?
A.
Holding
B.
Aliasing
C.
Shannon frequen
cy sampling
D.
"Stair

stepping"
View Answer
Workspace
Report
Discuss in Forum
3.
An op

amp has very ________.
A.
high voltage gain
B.
high input impedance
C.
low output impedance
D.
all of the above
View Answer
Workspace
Report
Discuss in Forum
4.
For a 4

bit DAC, the least significant bit (LSB) is ________.
A.
6.25% of fu
ll scale
B.
0.625% of full scale
C.
12% of full scale
D.
1.2% of full scale
View Answer
Workspace
Report
Discuss in Forum
5.
The dual

slope analog

to

digital conve
rter finds extensive use in ________.
A.
digital voltmeters
B.
function generators
C.
frequency counters
D.
all of the above
6.
The ADC0804 is an example of a ________.
A.
single

slope analog

to

digital converter
B.
dual

slope analog

to

digital converter
C.
digital

ramp analog

to

digital converter
D.
successive

approximation analog

to

digital converter
View Answer
Workspace
Report
Discuss in Forum
7.
In a digital representation of voltages using an 8

bit bin
ary code, how many values can
be defined?
A.
16
B.
64
C.
128
D.
256
View Answer
Workspace
Report
Discuss in Forum
8.
A 4

bi
t R/2R ladder digital

to

analog converter uses ________.
A.
one resistor value
B.
two resistor values
C.
three resistor values
D.
four resistor values
View Answer
Workspace
Report
Discuss in Forum
9.
A binary

weighted

input digital

to

analog converter has a feedback resistor, R
f
, of 12
k
. If 50
A of current is through the resistor, voltage out of the circuit is ________.
A.
0.6 V
B.
–
0.6 V
C.
0.1 V
D.
–
0.1 V
View Answer
Workspace
Report
Discuss in Forum
10.
The resolution of a 6

bit DAC is __
______.
A.
63%
B.
64%
C.
15.9%
D.
1.59%
IMPORTANT QUESTION OF PR
EVIOUS YEARS
2. 1. D.C. Current V. IMPORTANT1. What is Ohms law?
2. Differentiate between the terms (a) Active & Passive Network. (b)
Unilateral & Bilateral Network. (c) Linear & Non

Linear Network.
3. State and explain kirchhoffs current and voltage law.
4. Derive expressions for the conversion of a star

connection network into
equivalentdelta

connection networks and vice versa
.5. Classification of network. OTHERS
6. Define the term resistance, specific resistance and conductance of a
material. Stateunit
s
. 7. What are the factors on which the resistance of a material depends? What
isresistance?
8. Prove that in a D.C. series circuit total resistance is equal to the sum of
individualresistance.
9. Drive the expression for equivalent resistance of a circui
t having several
resistanceconnected in parallel.
10. Represent the following by their symbols. (a) Ideal and Practical voltage
source. Amol (b) Ideal and Practical current source.
3. 2. A.C. FUNDAMENTALS V.IMPORTANT1. What is an alternating curr
ent?
Compare it with a direct current.
2. With reference to alternating quantities, define the following
terms:Waveform, Cycle, Frequency, Amplitude and Periodic Time.
3. Define RMS value of alternating current quantities. Prove that in
alternatingquantiti
es varying sinusoidally the maximum value in 2 times the
RMS value. OTHERS
4. Define peak factors and form factors. State their values for
sinusoidalquantities
.5. Derive equation of alternating voltage and current. 3. Poly Phase Circuits
V. IMPORTANT1. St
ate any tow practical application of a choking coil.2. As
applied to a.c circuits, explain the terms. (a) Apparent power. (b) True power.
(c) Reactive power. State their units.4. Explain the difference between a single
phase and a poly

phase system. Amol5.
Define:

1. Symmetrical system. 2.
Phase sequence.
6. For star and delta

connected loads, state numerical relationship between
(i) Line current and phase voltage. (ii) Line voltage and phase voltage.Also
state that the expression for power in the term of
line voltage, line
currentand power fraction. OTHERS
7. What is an impedance triangle?8. Explain with reference to three

phase
system, the term ‘balanced load’ and‘balanced supply system’.
4.
1
. Transformers V. IMPORTANT1. Define Transformer. Why Tr
ansformers
are measured in KVL.
2. Explain types of transformers.
3. Explain (i) Auto transformers. (ii) Ideal transformers. (iii) Isolation
transformers.
4. What is meant by step

up and step

down transformers?
5. Rotating Machines1. Derive EMF equation o
f motor.2. Write a short note
on. (i) Types of DC motors. (ii) Characteristic of DC motors. (iii) Starter. (iv)
Speed control of DC motor.
6Draw and explain the construction and working of synchronous
motor.
7Write comparison between DC machine and inducti
on motor.
8Write short note on
Moving iron type instruments
Energy meter
9Write short note on wattmeter.
MANAGEMENT EDUCATION AND RESEARCH INSTITUTE COLLEGE
OF ENGINEERING AND TECHNOLOGY
–
MERI

CET
(DEPARTMENT OF ELECTRICAL & ELECTRONICS
ENGI
NEERING

EEE)
Session
–
2013

14
Semesters:
1
st
Name of the Faculty
:
Ajay Jangra
Subject & Code: EE

101

F
Electrical Technology
INDEX
S.No.
Contents
Page No.
1
Syllabus as per M.D. University
2
Teaching Methodology
3
Lesson Plan
4
References
5
Assignment submission Performa
6
Assignments
7
Focal Points
8
Monthly report form
9
Student feedback form
10
Attendance sheet
11
Previous year Question papers
12
Multiple Choice Ques
tions
13
Class Notes (Hand Written & Printed)
14
Question Bank
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