Transistor Audio Power Amplifiers MCQ Questions & Answers

Home

Competitive Exams

Aptitude English Verbal Reasoning Non Verbal Reasoning General Knowledge(GK) General Science(GS) Data Interpretation(DI) Banking Awareness Current Affairs

Computer & Programming

Computer Fundamentals Networking SQL Database C Programming C++ Programming Java Python

Other Subjects

Commerce Management Law Political Science Psychology Agriculture

Exam Categories

SSC Exams Railway Exams All Exams

SSC Exams

SSC CGL SSC CHSL SSC MTS SSC CPO SSC GD SSC JHT SSC Selection Post SSC Stenographer SSC JE

Railway Exams

RRB ALP RRB Technician RRB Section Controller RRB JE RRB Paramedical RRB Group D

Popular Exams

SSC CGL SSC CHSL SSC MTS RRB Group D RRB ALP RRB Technician RRB Section Controller

Engineering Subjects

Computer Science Electronics & Communication Mechanical Engineering Civil Engineering Electrical Engineering

More Engineering

Chemical Engineering Automobile Engineering Biotechnology Mining Engineering Geological Engineering

Engineering Core

Engineering Mathematics Engineering Physics Engineering Chemistry Metallurgical Engineering

Computer Fundamentals

Computer Fundamentals Networking Database SQL MySQL

Programming

C Programming C++ Programming Java Python PHP JavaScript

Advanced

Artificial Intelligence Machine Learning Data Science Cloud Computing Hadoop IoT

Graduation & PG

Commerce Management Law Mass Communication Political Science Psychology

Resources

Current Affairs Interview Blog

Learn Transistor Audio Power Amplifiers MCQ questions & answers are available for a Electrical Engineering students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. Transistor Audio Power Amplifiers MCQ question is the important chapter for a Electrical Engineering and GATE students. Page-3 section-1

A class A power amplifier uses ___________

A) Two transistors B) Three transistors C) One transistor D) None of the above

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

The maximum efficiency of transformer coupled class A power amplifier is ___________

A) 30% B) 50% C) 80% D) 45%

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

The most important consideration in power amplifier is ___________

A) Biasing the circuit B) Collector efficiency C) To keep the transformer cool D) None of the above

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

What turn ratio (Np/Ns) of transformer is required to match 4 Ω speaker to a transistor having an output impedance of 8000 Ω?

A) 2 B) 7 C) 3 D) None of the above

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

The size of a power transistor is made considerably large to ___________

A) Provide easy handling B) Dissipate heat C) Facilitate connections D) None of the above

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

If the power rating of a transistor is 1W and collector current is 100mA, then maximum allowable collector voltage is ___________

A) 1V B) 100V C) 20V D) 10V

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

The output stage of a multistage amplifier is also called ___________

A) Mixer stage B) Power stage C) Detector stage D) F stage

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Power amplifiers handle ___________ signals compare to voltage amplifiers

A) Small B) Very small C) Large D) None of the above

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

The pulsating d.c. applied to power amplifier causes ___________

A) Burning of transistor B) Hum in the circuit C) Excessive forward voltage D) None of the above

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

For the same a.c. power output as above, what should be the minimum power rating of transistor for class B operation?

A) 10 W B) 4 W C) 8 W D) None of the above

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

1 2 3 4

Transistor Audio Power Amplifiers MCQ Questions & Answers | Electrical Engineering