Welcome to ECE Board Exam Practice Quiz for Electronic Circuits. This set of practice quiz 1 will test your competence on the theories, concepts and problem solving involving Electronic Circuits. The objectives and goals of this quiz is to help engineering students familiarize concepts and theories as well as develop problem solving skills when answering questions related to the Electronic Circuits.
Electronic Circuits Test Bank
In this section are compiled practice quiz for Electronic Circuits that could be able to enhance your knowledge and skills in your preparation for the ECE Board Exam. The goal is to add thousands of questions for you to be familiarized and hopefully help you to be prepared. I am looking forward that this practice quiz will give you an additional confidence in taking your upcoming Engineering Board Exam.
Guidelines:
- Read and understand each question before choosing the best answer.
- The correct answer will be reveal after you have chosen your answer for every questions
- There is no time limit, answer the questions at your own pace.
- Once all questions are answered, you will be shown your rating.
- You have to get 70% of the total items to pass the quiz.
- You can re-take the quiz as many times as you want or until you are satisfied of your rating.
- Comment us your thoughts, scores, ratings, and questions about the quiz in the comments section below!
Choose the letter of the best answer in each questions.
The input capacitor in an amplifier is called ________ capacitor.
Coupling
Stray
Bypass
Electrolytic
Correct!
Wrong!
Which of the following is considered an amplifier figure of merit?
Gain-bandwidth product
Beta (β)
Alpha (α)
Temperature
Correct!
Wrong!
The basic concept of the electric wave filter was originated by
Campbell and Wagner
Norton
Foster
Bode and Darlington
Correct!
Wrong!
In a class A amplifier, the output signal is
Distorted
The same as the input
Clipped
Smaller in amplitude than the input
Correct!
Wrong!
Which is used to establish a fixed level of current or voltage in a transistor?
Biasing
Loading
Load line
Coupling
Correct!
Wrong!
What linear circuit compares two input signals and provides a digital level output depending on the relationship of the input signals?
Comaparator
Controller
Compressor
Switch
Correct!
Wrong!
Which amplifier whose output current flows for the entire cycle?
Class A
Class B
Class C
Class AB
Correct!
Wrong!
A multistage amplifier uses at least how many transistors?
One
Three
Four
Two
Correct!
Wrong!
What is the point of intersection of dc and ac load lines called?
Operating point
Cut off point
Saturation point
Breakdown
Correct!
Wrong!
A two-transistor class B power amplifier is commonly called
Push-pull amplifier
Dual amplifier
Symmetrical amplifier
Differential amplifier
Correct!
Wrong!
The ear is not sensitive to _________ distortion.
Frequency
Amplitude
Harmonic
Phase
Correct!
Wrong!
The input impedance of an amplifier _______ when negative current feedback is applied.
Remains unchanged
Decreases
Increases
Becomes zero
Correct!
Wrong!
What is the operating point in the characteristic curve called?
Quiescent point
Load point
Biasing point
Saturation point
Correct!
Wrong!
What is the purpose of RC or transformer coupling?
To block ac
To separate bias of one stage from another
To increase thermal stability
To block dc
Correct!
Wrong!
Which transistor configuration offers no phase reversal at the output?
Common-base
Common-collector
Common-emitter
Both Common-base and Common-collector
Correct!
Wrong!
When the non-linear distortion in an amplifier is D without feedback, with negative voltage feedback it will be
D/ 1+ Aβ
1+ Aβ / D
D (1+Aβ)
D (1-Aβ)
Correct!
Wrong!
The voltage gain over mid- frequency range in an RC coupled amplifier
Changes instantly with frequency
Is constant
Is independent of the coupling
Is maximum
Correct!
Wrong!
An ammeter’s ideal resistance should be
Zero
Unity
Infinite
The same with the circuits resistance
Correct!
Wrong!
What is a non-linear type of amplifier?
Class C
Class AB
Class B
Class A
Correct!
Wrong!
What is the time taken by the electrons or holes to pass from the emitter to the collector?
Transit time
Recombination
Transient time
Duty cycle
Correct!
Wrong!
Which of the following amplifier is considered linear?
Class A
Class B
Class C
Either Class A or Class B
Correct!
Wrong!
Amplitude distortion is otherwise known as ________ distortion.
Intermodulation
Harmonic
Phase
Resonant
Correct!
Wrong!
Which coupling has the best frequency response?
Direct
RC
Transformer
Transistor
Correct!
Wrong!
Which is not a basic BJT amplifier configuration?
Common-drain
Common-base
Common-emitter
Common-collector
Correct!
Wrong!
If gain without feedback and feedback factor are A and β respectively, then gain with negative feedback is given by
A/1-Aβ
A/1+ Aβ
1+Aβ/A
(1+Aβ) A
Correct!
Wrong!
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Electronic Circuits – Quiz 01
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