Practice Quiz in Operational Amplifiers Part 2

This is the Online Practice Quiz in Operational Amplifiers Part 2 from the book, Electronic Devices and Circuit Theory 10th Edition by Robert L. Boylestad. If you are looking for a reviewer in Electronics Engineering this will definitely help. I can assure you that this will be a great help in reviewing the book in preparation for your Board Exam. Make sure to familiarize each and every questions to increase the chance of passing the ECE Board Exam.

Continue Part II of the Online Practice Quiz

Quiz in Operational Amplifiers Question 11. In which of the following operations is the resulting output signal of the differential amplifier near zero? A. Single-ended B. Double-ended C. Common-mode D. None of these Question 12. Calculate the output impedance of an inverting op-amp using the 741 op-amp (ro = 75 Ω, AOL = 200 V/mV) if R1 = 100 Ω and Rf = 1 kΩ. A. 0.011 B. 0.00375 C. 0.0375 D. 0.375 Question 13. This circuit is referred to as a(n) _____. A. inverting amplifier B. noninverting amplifier C. differentiator D. integrator Question 14. This circuit is an example of a _____. A. single-ended input B. double-ended (differential) input C. double-ended output D. common-mode operation Question 15. Calculate the input voltage if R1 = 100 Ω, Rf = 1 kΩ, and Vout = 550 mV. A. –50 mV B. –5 mV C. 550 mV D. 50 mV Question 16. What is the cutoff frequency of an op-amp if the unity-gain frequency is 1.5 MHz and the open-loop gain is 100,000? A. 5 Hz B. 10 Hz C. 15 Hz D. 20 Hz Question 17. Which of the following is (are) the result of gain reduction by a feedback? A. The amplifier voltage gain is a more stable and precise value. B. The input impedance of the circuit is increased over that of the op-amp alone. C. The output impedance is reduced over that of the op-amp alone. D. All of these Question 18. If Rf = R1’, the voltage gain is _____. A. 1 B. -1 C. 10 D. very small Question 19. In the differential amplifier circuit, which of the following terminals are connected together? A. Bases B. Collectors C. One base to another collector D. Emitters Question 20. This circuit is referred to as a(n) _____. A. inverting amplifier B. noninverting amplifier C. differentiator D. integrator

More Practice Quiz in Operational Amplifiers

Practice Quiz Part 1

Practice Quiz Part 2

Practice Quiz Part 3

Practice Quiz Part 4

Practice Quiz Part 5

Practice Quiz Part 6

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Complete Practice Quiz in Electronic Devices and Circuit Theory

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