CuriousTab
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 Clerk
Bank PO
Database Administrator
IT Trainer
Network Engineer
Project Manager
Software Architect
Discussion
Home
‣
Electronics
‣
Thyristors and Tranducers
See What Others Are Saying!
Question
What type of application would use a photovoltaic cell?
Options
A. an automobile horn
B. a TI 92 calculator
C. a magnetic field detector
D. a remote power source
Correct Answer
a remote power source
More questions
1. What procedure should be followed when troubleshooting with an ammeter or voltmeter?
Options
A. Short the leads and adjust.
B. Check the meter's external power supply.
C. Start with the highest scale and adjust down to a lower scale.
D. Start with the lowest scale and adjust up to a higher scale.
Show Answer
Scratch Pad
Discuss
Correct Answer: Start with the highest scale and adjust down to a lower scale.
2. Voltage-divider bias provides:
Options
A. an unstable Q point
B. a stable Q point
C. a Q point that easily varies with changes in the transistor's current gain
D. a Q point that is stable and easily varies with changes in the transistor's current gain
Show Answer
Scratch Pad
Discuss
Correct Answer: a stable Q point
3. Kirchhoff's voltage law states that:
Options
A. the sum of the voltage drops in a series circuit is equal to the total applied voltage
B. the algebraic sum of the resistances is equal to the sum of the voltages
C. the algebraic sum of the individual currents around a closed loop is zero
D. the voltages developed across each element in a series circuit are identical
Show Answer
Scratch Pad
Discuss
Correct Answer: the sum of the voltage drops in a series circuit is equal to the total applied voltage
4. Clampers are often called peak detectors.
Options
A. True
B. False
Show Answer
Scratch Pad
Discuss
Correct Answer: False
5. A transformer that has 700 turns in the primary and 35 turns in the secondary has a turns ratio of 20:1.
Options
A. True
B. False
Show Answer
Scratch Pad
Discuss
Correct Answer: True
6. The operands in an addition operation consist of the augend and the addend.
Options
A. True
B. False
Show Answer
Scratch Pad
Discuss
Correct Answer: True
7. In a BJT, the collector current is approximately equal to the base current.
Options
A. True
B. False
Show Answer
Scratch Pad
Discuss
Correct Answer: False
8. A sine wave has:
Options
A. four quadrants
B. two alternations
C. one period
D. all of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: all of the above
9. The greater the selectivity, the wider the bandwidth.
Options
A. True
B. False
Show Answer
Scratch Pad
Discuss
Correct Answer: False
10. The unit of magnetic flux density is the
weber
.
Options
A. True
B. False
Show Answer
Scratch Pad
Discuss
Correct Answer: False
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