EEE 334 CIRCUITS II - QUIZ 1: OPERATIONAL
AMPLIFIERS (OP-AMPS) | QUESTIONS WITH CORRECT
ANSWERS | 100% SCORE (10/10) | 2026 UPDATE
150 Questions with Answers and Detailed Rationales
100 PERCENT GUARANTEED PASS
INSTANT DOWNLOAD ANSWERS INCLUDED
IMPORTANCE OF THIS DOCUMENT
This comprehensive examination preparation guide has been meticulously developed to help you succeed in the
EEE 334 CIRCUITS II - QUIZ 1: OPERATIONAL AMPLIFIERS (OP-AMPS) | QUESTIONS WITH CORRECT
ANSWERS | 100% SCORE (10/10) | 2026 UPDATE. It contains 150 carefully selected questions that reflect the
most current exam content and testing strategies. Each question is accompanied by a correct answer and a
detailed rationale that explains the underlying pathophysiology, pharmacology, or clinical reasoning.
Self-Assessment – Test your knowledge and Exam Preparation – Familiarize yourself with the
identify areas requiring further question format and content
study areas
Concept Reinforcement – Deepen your Confidence Building – Develop test-taking
understanding through strategies and reduce
evidence-based exam anxiety
rationales
Time Management – Practice answering
questions under simulated
exam conditions
Review Summary 150 Questions
Foundations - Application - EEE 334 Circuits II 1 Operational Amplifiers Op-amps WITH Correct 100 Score
10/10 2026 Update Analog Electronics / Circuits II Operational Amplifiers Undergraduate YEAR 3 Junior
Electrical Engineering
All answers with rationales
,Table of Contents
Content Area Questions Key Topics
Ideal Op-amp Characteristics 1-25 Op-amp, Output, Input, Amplifier, Voltage
AND Assumptions
Inverting AND Non-inverting 26-50 Op-amp, Amplifier, Input, Output, Non-inverting
Amplifier Configurations
Summing Difference AND 51-75 Op-amp, Amplifier, Input, Output, Closed-loop
Averaging Amplifier Circuits
Integrator AND Differentiator 76-100 Op-amp, Voltage, Input, Output, Amplifier
Circuits
Voltage Follower AND Buffer 101-125 Op-amp, Amplifier, Input, Output, Voltage
Circuits
Comparator AND Schmitt 126-150 Op-amp, Output, Voltage, Amplifier, Input
Trigger Circuits
TOTAL 150 All questions include answers and detailed rationales
,Section A - Ideal Op-amp Characteristics AND
Assumptions
Q1.
In an ideal op-amp model, which statement correctly describes the input and output
characteristics?
A. Infinite input impedance, zero output B. Zero input impedance, infinite output
impedance, infinite open-loop gain impedance, finite open-loop gain
C. Infinite input impedance, infinite output D. Zero input impedance, zero output
impedance, infinite open-loop gain impedance, finite open-loop gain
Correct: A - Infinite input impedance, zero output impedance, infinite open-loop gain
Rationale:The ideal op-amp has infinite input impedance (no input current), zero output
impedance (can drive any load), and infinite open-loop gain (virtual short). Distractors B, C,
and D incorrectly assign finite or zero values to these parameters.
Why the other answers are wrong:
B. Zero input impedance and infinite output impedance are opposite of ideal op-amp
characteristics.
C. Infinite output impedance would prevent ideal voltage source behavior at the output.
D. Finite open-loop gain contradicts the ideal assumption used for virtual short analysis.
Reference: Sedra & Smith, Microelectronic Circuits, 8th Ed., Ch. 2.1
Q2.
For the inverting amplifier shown, R1 = 2 k and R2 = 20 k. If the input voltage is 0.5 V, what
is the output voltage?
A. -5 V B. -10 V
C. 5 V D. 10 V
Correct: A - -5 V
Rationale:Gain = –R2/R1 = –20k/2k = –10. Vout = –10 × 0.5 V = –5 V. The negative sign
indicates inversion. Distractors B and D incorrectly compute gain or sign; C ignores the
inverting nature.
Why the other answers are wrong:
B. Uses gain of -20 instead of -10 (misplaced decimal).
C. Ignores the inverting configuration's negative sign.
D. Both incorrect gain magnitude and sign.
Reference: Alexander & Sadiku, Fundamentals of Electric Circuits, 7th Ed., Ch. 5.3
Page 3
, Section A - Ideal Op-amp Characteristics AND Assumptions
Q3.
A non-inverting amplifier has R1 = 1 k and Rf = 9 k. What is the closed-loop gain?
A. 9 B. 10
C. -9 D. 0.1
Correct: B - 10
Rationale:For a non-inverting amplifier, gain = 1 + Rf/R1 = 1 + 9k/1k = 10. Distractor A
forgets the '+1' term; C incorrectly applies inverting gain; D is the reciprocal.
Why the other answers are wrong:
A. Omits the unity term in the non-inverting gain formula.
C. Non-inverting amplifiers have positive gain.
D. This is 1/gain, not the gain itself.
Reference: Sedra & Smith, Microelectronic Circuits, 8th Ed., Ch. 2.2
Q4.
An op-amp summing amplifier has three inputs: V1 = 1 V through R1 = 10 k, V2 = 2 V
through R2 = 10 k, V3 = 3 V through R3 = 10 k, and feedback Rf = 10 k. What is Vout?
A. -6 V B. 6 V
C. -3 V D. 3 V
Correct: A - -6 V
Rationale:Vout = –Rf (V1/R1 + V2/R2 + V3/R3) = –10k (1/10k + 2/10k + 3/10k) = –(1+2+3) =
-6 V. Distractors B, C, D misapply sign or summation.
Why the other answers are wrong:
B. Ignores the inverting summer's negative sign.
C. Incorrectly averages inputs instead of summing.
D. Both wrong sign and wrong magnitude.
Reference: Alexander & Sadiku, Fundamentals of Electric Circuits, 7th Ed., Ch. 5.6
Q5.
Which op-amp circuit produces an output proportional to the integral of the input voltage?
A. Differentiator with a capacitor in the B. Integrator with a capacitor in the
feedback loop feedback loop
C. Summing amplifier with resistive D. Comparator with positive feedback
feedback
Correct: B - Integrator with a capacitor in the feedback loop
Page 4
AMPLIFIERS (OP-AMPS) | QUESTIONS WITH CORRECT
ANSWERS | 100% SCORE (10/10) | 2026 UPDATE
150 Questions with Answers and Detailed Rationales
100 PERCENT GUARANTEED PASS
INSTANT DOWNLOAD ANSWERS INCLUDED
IMPORTANCE OF THIS DOCUMENT
This comprehensive examination preparation guide has been meticulously developed to help you succeed in the
EEE 334 CIRCUITS II - QUIZ 1: OPERATIONAL AMPLIFIERS (OP-AMPS) | QUESTIONS WITH CORRECT
ANSWERS | 100% SCORE (10/10) | 2026 UPDATE. It contains 150 carefully selected questions that reflect the
most current exam content and testing strategies. Each question is accompanied by a correct answer and a
detailed rationale that explains the underlying pathophysiology, pharmacology, or clinical reasoning.
Self-Assessment – Test your knowledge and Exam Preparation – Familiarize yourself with the
identify areas requiring further question format and content
study areas
Concept Reinforcement – Deepen your Confidence Building – Develop test-taking
understanding through strategies and reduce
evidence-based exam anxiety
rationales
Time Management – Practice answering
questions under simulated
exam conditions
Review Summary 150 Questions
Foundations - Application - EEE 334 Circuits II 1 Operational Amplifiers Op-amps WITH Correct 100 Score
10/10 2026 Update Analog Electronics / Circuits II Operational Amplifiers Undergraduate YEAR 3 Junior
Electrical Engineering
All answers with rationales
,Table of Contents
Content Area Questions Key Topics
Ideal Op-amp Characteristics 1-25 Op-amp, Output, Input, Amplifier, Voltage
AND Assumptions
Inverting AND Non-inverting 26-50 Op-amp, Amplifier, Input, Output, Non-inverting
Amplifier Configurations
Summing Difference AND 51-75 Op-amp, Amplifier, Input, Output, Closed-loop
Averaging Amplifier Circuits
Integrator AND Differentiator 76-100 Op-amp, Voltage, Input, Output, Amplifier
Circuits
Voltage Follower AND Buffer 101-125 Op-amp, Amplifier, Input, Output, Voltage
Circuits
Comparator AND Schmitt 126-150 Op-amp, Output, Voltage, Amplifier, Input
Trigger Circuits
TOTAL 150 All questions include answers and detailed rationales
,Section A - Ideal Op-amp Characteristics AND
Assumptions
Q1.
In an ideal op-amp model, which statement correctly describes the input and output
characteristics?
A. Infinite input impedance, zero output B. Zero input impedance, infinite output
impedance, infinite open-loop gain impedance, finite open-loop gain
C. Infinite input impedance, infinite output D. Zero input impedance, zero output
impedance, infinite open-loop gain impedance, finite open-loop gain
Correct: A - Infinite input impedance, zero output impedance, infinite open-loop gain
Rationale:The ideal op-amp has infinite input impedance (no input current), zero output
impedance (can drive any load), and infinite open-loop gain (virtual short). Distractors B, C,
and D incorrectly assign finite or zero values to these parameters.
Why the other answers are wrong:
B. Zero input impedance and infinite output impedance are opposite of ideal op-amp
characteristics.
C. Infinite output impedance would prevent ideal voltage source behavior at the output.
D. Finite open-loop gain contradicts the ideal assumption used for virtual short analysis.
Reference: Sedra & Smith, Microelectronic Circuits, 8th Ed., Ch. 2.1
Q2.
For the inverting amplifier shown, R1 = 2 k and R2 = 20 k. If the input voltage is 0.5 V, what
is the output voltage?
A. -5 V B. -10 V
C. 5 V D. 10 V
Correct: A - -5 V
Rationale:Gain = –R2/R1 = –20k/2k = –10. Vout = –10 × 0.5 V = –5 V. The negative sign
indicates inversion. Distractors B and D incorrectly compute gain or sign; C ignores the
inverting nature.
Why the other answers are wrong:
B. Uses gain of -20 instead of -10 (misplaced decimal).
C. Ignores the inverting configuration's negative sign.
D. Both incorrect gain magnitude and sign.
Reference: Alexander & Sadiku, Fundamentals of Electric Circuits, 7th Ed., Ch. 5.3
Page 3
, Section A - Ideal Op-amp Characteristics AND Assumptions
Q3.
A non-inverting amplifier has R1 = 1 k and Rf = 9 k. What is the closed-loop gain?
A. 9 B. 10
C. -9 D. 0.1
Correct: B - 10
Rationale:For a non-inverting amplifier, gain = 1 + Rf/R1 = 1 + 9k/1k = 10. Distractor A
forgets the '+1' term; C incorrectly applies inverting gain; D is the reciprocal.
Why the other answers are wrong:
A. Omits the unity term in the non-inverting gain formula.
C. Non-inverting amplifiers have positive gain.
D. This is 1/gain, not the gain itself.
Reference: Sedra & Smith, Microelectronic Circuits, 8th Ed., Ch. 2.2
Q4.
An op-amp summing amplifier has three inputs: V1 = 1 V through R1 = 10 k, V2 = 2 V
through R2 = 10 k, V3 = 3 V through R3 = 10 k, and feedback Rf = 10 k. What is Vout?
A. -6 V B. 6 V
C. -3 V D. 3 V
Correct: A - -6 V
Rationale:Vout = –Rf (V1/R1 + V2/R2 + V3/R3) = –10k (1/10k + 2/10k + 3/10k) = –(1+2+3) =
-6 V. Distractors B, C, D misapply sign or summation.
Why the other answers are wrong:
B. Ignores the inverting summer's negative sign.
C. Incorrectly averages inputs instead of summing.
D. Both wrong sign and wrong magnitude.
Reference: Alexander & Sadiku, Fundamentals of Electric Circuits, 7th Ed., Ch. 5.6
Q5.
Which op-amp circuit produces an output proportional to the integral of the input voltage?
A. Differentiator with a capacitor in the B. Integrator with a capacitor in the
feedback loop feedback loop
C. Summing amplifier with resistive D. Comparator with positive feedback
feedback
Correct: B - Integrator with a capacitor in the feedback loop
Page 4
