Toggle navigation
Email or Username
Password
Remember
Login
Register
|
I forgot my password
Buy Ready Made Project
Engineering Whatsapp groups
All Activity
Q&A
Questions
Hot!
Unanswered
Tags
Categories
Users
Ask a Question
A transformer transforms
A transformer transforms
1. Frequency 2. Voltage 3. Current 4. Voltage and current
asked
May 13, 2018
in
Transformer
by
anonymous1
answer
comment
Please
log in
or
register
to add a comment.
Please
log in
or
register
to answer this question.
1
Answer
0
like
0
dislike
A transformer transforms
Voltage and current
answered
May 13, 2018
by
anonymous1
ask related question
comment
Please
log in
or
register
to add a comment.
Related questions
1
answer
The transformer which transforms unbalanced line to a balanced line is better known as
asked
May 12, 2018
in
Electrical Engineering
by
anonymous1
|
22
views
1
answer
State and justify which of the following two transformers is better: Transformer A = 4% voltage regulation Transformer B = 6% voltage regulation
asked
Jul 27
in
Transformer
by
anonymous1
|
28
views
transformer
1
answer
If the frequency of input voltage of a transformer is increased keeping the magnitude of voltage unchanged,
asked
Jun 17, 2018
in
Transformer
by
anonymous1
|
43
views
1
answer
Full load copper loss in a transformer is 1600 watts. At half load the copper loss will be:
asked
Jun 4, 2018
in
Transformer
by
anonymous1
|
39
views
1
answer
The current transformer that is used to measure a 100 A current by 5 A ammeter is a_____.
asked
May 29, 2018
in
Transformer
by
anonymous1
|
42
views
0
answers
A current transformer must at all times have
asked
May 25, 2018
in
Transformer
by
anonymous1
|
86
views
0
answers
The maximum flux in a transformer is φm when primary voltage is V and the frequency is f. If the primary
asked
May 25, 2018
in
Transformer
by
anonymous1
|
37
views
0
answers
The voltage applied to the H.V. side of a transformer during S.C. test is 2% of the rated voltage. The core loss
asked
May 25, 2018
in
Transformer
by
anonymous1
|
44
views
0
answers
The voltage regulation of a transformer, with ohmic drop 2% and reactance drop 5% of the voltage at
asked
May 25, 2018
in
Transformer
by
anonymous1
|
45
views
1
answer
In a transformer the voltage regulation will be zero when it operates at
asked
May 22, 2018
in
Transformer
by
anonymous1
|
31
views
1
answer
The primary winding of a 220/6 V, 50 Hz transformer is energised from 110 V, 60 Hz supply. The secondary
asked
May 22, 2018
in
Transformer
by
anonymous1
|
62
views
1
answer
The core flux of a practical transformer with a resistive load
asked
May 20, 2018
in
Transformer
by
anonymous1
|
1,129
views
1
answer
The function of oil in a transformer is to provide
asked
May 20, 2018
in
Transformer
by
anonymous1
|
37
views
1
answer
A single-phase transformer has a turns ratio of 1 :2 and is connected to a purely resistive load as shown in the
asked
May 20, 2018
in
Transformer
by
anonymous1
|
80
views
1
answer
A simple phase transformer has a maximum efficiency of 90% at full load and unity power factor. Efficiency at
asked
May 17, 2018
in
Transformer
by
anonymous1
|
25
views
1
answer
A 500 kVA, 3-phase transformer has iron losses of 300 W and full load copper losses of 600 W. The percentage
asked
May 17, 2018
in
Transformer
by
anonymous1
|
25
views
1
answer
Which three-phase connection can be used in a transformer to introduce a phase difference of
asked
May 17, 2018
in
Transformer
by
anonymous1
|
34
views
1
answer
A single-phase, 50 kVA, 250 V/500 V two winding transformer has an efficiency of 95% at full load, unity
asked
May 17, 2018
in
Transformer
by
anonymous1
|
92
views
1
answer
A single-phase transformer has no-load loss of 64 W, as obtained from an open circuit test. When a short-circuit
asked
May 17, 2018
in
Transformer
by
anonymous1
|
42
views
1
answer
Which losses in a transformer varies significantly with load
asked
May 17, 2018
in
Transformer
by
anonymous1
|
18
views
1
answer
For a pulse transformer, the material used for its core and the possible turn ration from primary to secondary
asked
May 17, 2018
in
Transformer
by
anonymous1
|
27
views
1
answer
In a power transformer, the fundamental frequency of the hum arising due to magnetostriction is
asked
May 15, 2018
in
Transformer
by
anonymous1
|
17
views
1
answer
A transformer is used to
asked
May 15, 2018
in
Transformer
by
anonymous1
|
16
views
1
answer
If the secondary turns of a transformer are doubled and at the same time primary voltage is
asked
May 15, 2018
in
Transformer
by
anonymous1
|
27
views
1
answer
In a step-up or step-down transformer, electrical power is transferred from one circuit to another without change in
asked
May 14, 2018
in
Transformer
by
anonymous1
|
609
views
1
answer
Which of the following is not a basic element of a transformer ?
asked
May 13, 2018
in
Transformer
by
anonymous1
|
1,190
views
1
answer
The hysteresis and eddy current losses of a single phase transformer working on 200 V, 50 Hz
asked
May 13, 2018
in
Transformer
by
anonymous1
|
92
views
1
answer
For a constant load current, transformer maximum efficiency occurs at
asked
May 13, 2018
in
Transformer
by
anonymous1
|
33
views
1
answer
In a transformer, low voltage winding is placed near the core in case of concentric windings so
asked
May 13, 2018
in
Transformer
by
anonymous1
|
22
views
1
answer
In a transformer, zero voltage regulation at full load is
asked
May 13, 2018
in
Transformer
by
anonymous1
|
27
views
1
answer
The degree of mechanical vibrations produced by the laminations of a transformer depends on?
asked
Mar 27, 2018
in
Transformer
by
anonymous1
|
62
views
1
answer
A transformer core is laminated to?
asked
Mar 27, 2018
in
Transformer
by
anonymous1
|
32
views
1
answer
In a transformer the energy is conveyed from primary to secondary?
asked
Mar 27, 2018
in
Transformer
by
anonymous1
|
908
views
1
answer
No-load current in a transformer?
asked
Mar 19, 2018
in
Transformer
by
anonymous1
|
29
views
transformer
1
answer
The purpose of providing an iron core in a transformer is to?
asked
Mar 19, 2018
in
Transformer
by
anonymous1
|
29
views
transformer
1
answer
A transformer cannot raise or lower the voltage of a D.C. supply because?
asked
Mar 19, 2018
in
Transformer
by
anonymous1
|
22
views
transformer
1
answer
Primary winding of a transformer?
asked
Mar 19, 2018
in
Transformer
by
anonymous1
|
27
views
transformer
primary
winding
1
answer
Which winding in a transformer has more number of turns ?
asked
Mar 19, 2018
in
Transformer
by
anonymous1
|
29
views
transformer
turns
1
answer
Efficiency of a power transformer is of the order of?
asked
Mar 19, 2018
in
Transformer
by
anonymous1
|
26
views
transformer
efficiency
1
answer
A common method of cooling a power transformer is?
asked
Mar 19, 2018
in
Transformer
by
anonymous1
|
39
views
transformers
cooling
1
answer
The no load current in a transformer lags behind the applied voltage by an angle of about?
asked
Mar 19, 2018
in
Transformer
by
anonymous1
|
26
views
transformer
1
answer
In a transformer routine efficiency depends upon?
asked
Mar 19, 2018
in
Transformer
by
anonymous1
|
27
views
transformer
1
answer
The maximum efficiency of a distribution transformer is?
asked
Mar 19, 2018
in
Transformer
by
anonymous1
|
27
views
transformer
1
answer
No-load current of a transformer has?
asked
Mar 19, 2018
in
Transformer
by
anonymous1
|
16
views
transformer
1
answer
The purpose of providing iron core in a step-up transformer is?
asked
Mar 19, 2018
in
Transformer
by
anonymous1
|
23
views
transformer
1
answer
The power transformer is a constant?
asked
Mar 19, 2018
in
Transformer
by
anonymous1
|
20
views
transformer
power
1
answer
In a transformer the tappings are generally provided on?
asked
Mar 19, 2018
in
Transformer
by
anonymous1
|
20
views
transformer
1
answer
The thickness of laminations used in a transformer is usually?
asked
Mar 19, 2018
in
Transformer
by
anonymous1
|
21
views
transformer
3
answers
The function of conservator in a transformer is?
asked
Mar 19, 2018
in
Transformer
by
anonymous1
|
44
views
transformer
conservator
1
answer
A transformer oil must be free from?
asked
Mar 19, 2018
in
Transformer
by
anonymous1
|
16
views
transformer
All categories
Electrical Engineering
2,047
Mathematics
21
Electronics communication
103
Electronics Engineering
735
Wikipedia
20
Formulas
3
Multiple Choice Questions
4
AC machine
15
Advanced electrical power system
25
Alternator
20
Ampere’s Law
1
Amplifier
50
Analog electronics circuits
46
Arduino
32
Autotransformer
2
Basic concepts
124
Basic electrical and electronics engineering
32
Basic Electrical Technology
31
Basic Electronics
27
Basic filter concepts
1
Basic power generation concepts
0
Battery
12
Biot-Savart’s laws
1
Bipolar Junction Transistor
13
Bode plots
1
Capacitance
8
Capacitor
13
Causal systems
0
Circuit breaker
6
Computer Engineering
402
Computer organization
5
Computer techniques in power system
5
Control System
171
Control of electric drives
7
Corona
0
DC generator
95
DC machine
16
DC motor
67
Dielectrics
3
Digital Electronics
119
Digital Instrumentation
62
Digital Signal Processing
24
Diode
22
Electric field and potential
1
Electric Power Distribution
19
Electric Power Generation
110
Electric Power Transmission
60
Electrical Machine
275
Electrical Measurements and Instrumentation
365
Electrical Project
1
Electrical engineering materials
136
Electrical machine design
5
Electronic system design
9
Electronics Devices and Circuit
8
Electronics Project
7
Embedded Systems
19
Embedded System Design
64
Energy Conservation And Audit
72
Engineering electromagnetic
13
Engineering Mathematics
2
Engineering Mechanics
50
Extra high voltage transmission
7
Flexible AC Transmission System
18
Fourier series representation of continuous periodic signals
0
Fundamentals of electric circuits
0
Fundamentals of electrical power systems
6
Gauss Theorem
1
High voltage engineering
43
Ideal current and voltage sources
1
IGBT
3
Induction Machine
87
Inductance
3
Inductor
2
Industry Electrical Systems-I
24
Industry Electrical Systems-II
41
Instrumentation and control
114
KCL
1
KVL
0
Linear integrated circuit
4
Machine Design
2
Maximum Power Transfer theorem
1
Mechanical Engineering
38
Microprocessors and Microcontrollers
61
Modeling and simulation of dynamic systems
1
MOSFET
29
Multiplexer
7
Network Analysis
98
Network graph
0
Neuro Fuzzy Control
12
Node and mesh analysis
2
Norton’s Theorem
0
Numerical methods and programming
8
Oscilloscope
5
Physics
43
Power Electronic Controlled Drives
20
Power Electronics
257
Power electronics converters
18
Power factor correction
0
Power quality
54
Power system
181
Q-meters
0
Renewable energy sources
12
Representation of continuous and discrete-time signals
0
Resonance
19
Sampling theorem
0
Semiconductor
54
Seminar
0
Signals and Systems
12
Single phase transformer
5
Sinusoidal steady-state analysis
0
Solutions from books
1
Stepper motor
0
Superposition Theorem
1
Switchgear And Protection
207
Synchronous machine
75
Telecommunication Engineering
14
Thermal and hydro prime movers
1
Thevenin’s Theorem
0
Three phase circuits
0
Three phase transformers
3
Transducers and sensors
10
Transformer
151
Transient response of dc and ac networks
0
Transmission line models
1
Two-port networks
0
Utilization of electrical energy
98
VLSI Design
14
Matrix Algebra
10
Systems of linear equations
0
Eigenvalues
0
Eigenvectors
0
Mean value theorems
0
Theorems of integral calculus
0
Evaluation of definite and improper integrals
0
Partial Derivatives
0
Maxima and minima
0
Multiple integrals
0
Fourier series
0
Vector identities
0
Directional derivatives
0
Line integral
0
Surface integral
0
Volume integral
0
Stokes’s theorem
0
Gauss’s theorem
0
Green’s theorem
0
Elements of Electronics
16
Digital Techniques
9
Electronic Engineering Materials
12
Elements of Industrial Automation
18
Modern Electric Traction
20
Testing and maintenance of electrical equipments
24
Illumination engineering
8
Elements of Mechanical Engineering
15
Microcontroller and Applications
0
Mechatronics
28
Very Large Scale Integration
22
Industrial Instrumentation
12
Applied Mechanics
6
9,151
questions
7,903
answers
145
comments
3,280
users