Home
10th Grade
11th And 12th
11th Grade
12th Grade
3rd Grade
4th Grade
5th Grade
6th Grade
7th Grade
8th Grade
9th Grade
Advance Accountancy
Auditing
Computer Aptitude
Direct And Indirect Taxation
Exams
General Hindi
Indian Finance System
Information Technology And Application In Business
Macro Economics
Town Planning
Aerospace And Aeronautical
Analytical Instrumentation
Banking Awareness
Banking Exam
Biochemistry
Bioinformatics
Biology
Biotechnology
Business Statistics
C Program
C Programming
C++ Programming
Career Aptitude Test
Cell Biology
Central Superior Service (css)
Chemical Engineering
Chemistry
Civil Engineering
Commerce
Computer
Computer Fundamentals
Computer Science
Cost Accounting
Css
Database
Drug And Pharmaceutical Biotechnology
Ecat And Mcat Entry Test
Economics
Electrical Engineering
Electrical Engineering Questions
Electrical Measurement And Instrumentation
Engineering
English
English Literature
Environment Management
Environmental Biotechnology
Enzyme Technology
Financial Management And Financial Markets
Gate
General Knowledge
Graduate Assessment Test (gat)
Health And Physical
Heat Transfer
Html
Human Anatomy And Physiology
Human And Cultural Diversity
Human Resource Management
Ias
Indian Economy
Indian Economy
Indian General Awareness
Indian Geography
Indian Geography
Indian History
Indian History
Indian Polity
Instrumentation Transducers
International Relations
Java Program
Javascript
Judiciary And Law
Life Sciences
Management
Marketing And Marketing Management
Mass Transfer
Mechanical Engineering
Mechanics Of Materials
Medical Subjects
Microbiology
Networking
Php
Placement Tests
Professional Communication
Quantitative Aptitude
Reasoning Aptitude
Renewable Energy
Science
Sociology
Sql
Surveying
Total Quality Management
Uidai Aadhaar Supervisor Certification
Virology
Notificatin
Exam
Blog
Contact Us
Multistage Transistor Amplifiers(Engineering > Electrical Engineering ) Questions and Answers
Home
Topic
Engineering
Electrical Engineering
Multistage Transistor Amplifiers
Question 1.
The gain of an amplifier is expressed in db because ___________
It is a simple unit
Calculations become easy
Human ear response is logarithmic
None of the above
Explanation:-
Answer: Option C. ->
Human ear response is logarithmic
Question 2.
RC coupling is not used to amplify extremely low frequencies because
There is considerable power loss
There is hum in the output
Electrical size of coupling capacitor becomes very large
None of the above
Explanation:-
Answer: Option C. ->
Electrical size of coupling capacitor becomes very large
Question 3.
A current amplification of 2000 is a gain of ___________
3 db
66 db
20 db
200 db
Explanation:-
Answer: Option B. ->
66 db
Question 4.
If the power level of an amplifier reduces to half, the db gain will fall by .
5 db
2 db
10 db
3 db
Explanation:-
Answer: Option D. ->
3 db
Question 5.
The number of stages that can be directly coupled is limited because
Changes in temperature cause thermal instability
Circuit becomes heavy and costly
It becomes difficult to bias the circuit
None of the above
Explanation:-
Answer: Option A. ->
Changes in temperature cause thermal instability
Question 6.
In the initial stages of a multistage amplifier, we use ___________
RC coupling
Transformer coupling
Direct coupling
None of the above
Explanation:-
Answer: Option A. ->
RC coupling
Question 7.
A radio receiver has ___________ of amplification
One stage
Two stages
Three stages
More than one stages
Explanation:-
Answer: Option D. ->
More than one stages
Question 8.
RC coupling is used for ___________ amplification
Voltage
Current
Power
None of the above
Explanation:-
Answer: Option A. ->
Voltage
Question 9.
Transformer coupling is used for ___________ amplification
Power
Voltage
Current
None of the above
Explanation:-
Answer: Option A. ->
Power
Question 10.
The lower and upper cut off frequencies are also called ___________ frequencies
Sideband
Resonant
Half-resonant
Half-power
Explanation:-
Answer: Option D. ->
Half-power
1
2
3
4
Next →
One click Login
Login With Google
Old way of Login
Login With Email