CuriousTab
Search
CuriousTab
Home
Aptitude
Computer
C Programming
C# Programming
C++ Programming
Database
Java Programming
Networking
Engineering
Biochemical Engineering
Biochemistry
Biotechnology
Chemical Engineering
Civil Engineering
Computer Science
Digital Electronics
Electrical Engineering
Electronics
Electronics and Communication Engineering
Mechanical Engineering
Microbiology
Technical Drawing
GK
Current Affairs
General Knowledge
Reasoning
Data Interpretation
Logical Reasoning
Non Verbal Reasoning
Verbal Ability
Verbal Reasoning
Exams
AIEEE
Bank Exams
CAT
GATE
IIT JEE
TOEFL
Jobs
Analyst
Bank PO
Database Administrator
IT Trainer
Network Engineer
Project Manager
Software Architect
Discussion
Home
‣
Electronics
‣
Inductors
Comments
Question
What is hysteresis?
Options
A. lead between cause and effect
B. lag between cause and effect
C. lead between voltage and current
D. lag between voltage and current
Correct Answer
lag between cause and effect
Inductors problems
Search Results
1. A transformer will have:
Options
A. primary and secondary windings
B. primary and secondary current
C. primary wattage producing secondary current
D. different frequencies for the primary and secondary
Show Answer
Scratch Pad
Discuss
Correct Answer: primary and secondary windings
2. A turns ratio of 5 for a transformer implies:
Options
A. more primary turns than secondary turns
B. more secondary current than primary current
C. larger source impedance than load impedance
D. more secondary turns than primary turns
Show Answer
Scratch Pad
Discuss
Correct Answer: more secondary turns than primary turns
3. What are the properties that determine the inductance of a coil?
Options
A. Length of wire, number of turns, type of core material, length of core
B. Number of turns, type of wire, length of core, and cross-sectional area of core
C. Type of core material, number of turns, cross-sectional area of core, and length of core
D. Type of core material, type of wire, number of turns, and cross-sectional area of core
Show Answer
Scratch Pad
Discuss
Correct Answer: Type of core material, number of turns, cross-sectional area of core, and length of core
4. During a current change, the ability of a conductor to produce counter emf within itself is called:
Options
A. back emf
B. self-induction
C. a henry
D. impedance
Show Answer
Scratch Pad
Discuss
Correct Answer: self-induction
5. What is the name of the part inside a relay that is moved by the action of the electromagnet?
Options
A. armature
B. conductor
C. contacts
D. solenoid
Show Answer
Scratch Pad
Discuss
Correct Answer: armature
6. With 100 V
ac
applied to the primary of a transformer so that it draws 500 mA, what will be the 300 V
ac
secondary current?
Options
A. 1500 mA
B. 200 mA
C. 167 mA
D. 150 mA
Show Answer
Scratch Pad
Discuss
Correct Answer: 167 mA
7. Which of the following is NOT one of the three major types of fixed inductor?
Options
A. air core
B. ferrite core
C. magnesium core
D. iron core
Show Answer
Scratch Pad
Discuss
Correct Answer: magnesium core
8. Opposition to current flow without the dissipation of energy is called:
Options
A. resistance
B. inductive reactance
C. counter emf
D. impedance
Show Answer
Scratch Pad
Discuss
Correct Answer: inductive reactance
9. What is the permeability of transformer iron?
Options
A. 50
B. 450
C. 1,500
D. 5,500
Show Answer
Scratch Pad
Discuss
Correct Answer: 5,500
10. A series RL filter circuit with an output across the inductor will result in what type of filtering?
Options
A. passing of the higher frequencies
B. passing of the lower frequencies
C. blocking of the higher frequencies
D. blocking of a certain range of frequencies
Show Answer
Scratch Pad
Discuss
Correct Answer: passing of the higher frequencies
Comments
There are no comments.
Enter a new Comment
Save
More in Electronics:
Alternating Current and Voltage
Alternating Current vs Direct Current
Analog and Digital Converters
Analog to Digital
Arithmetic Operations and Circuits
Basic Op-Amp Circuits
Bipolar Junction Transistors (BJT)
Capacitors
Combinational Logic Circuits
Computer Hardware and Software
Diodes and Applications
Field Effect Transistors (FET)
Flip-Flops and Timers
Inductors
Logic Circuit Simplification
Logic Gates
Magnetism and Electromagnetism
Measurement, Conversion and Control
Number Systems and Codes
Ohm's Law
Operational Amplifiers
Parallel Circuits
Programmable Logic Devices (PLD)
Quantities and Units
RC Circuits
Resistance and Power
RL Circuits
RLC Circuits and Resonance
Semiconductor Memory
Semiconductor Principles
Sequential Logic Circuits
Series-Parallel Circuits
Series Circuits
Special-Purpose Op-Amp Circuits
Standard Logic Devices (SLD)
Testing and Troubleshooting
Thyristors and Tranducers
Time Response of Reactive Circuits
Transformers
Transistors and Applications
Voltage and Current