This is the Multiple Choice Questions in Chapter 17: Differential Amplifiers from the book Electronic Principles 7th Edition by Albert Malvino. 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.
Topic Outline
- MCQs in Differential Amplifiers
- MCQs in DC Analysis of Differential Amplifiers
- MCQs in AC Analysis of Differential Amplifiers
- MCQs in Input Characteristics of an Op Amp
- MCQs in Common Mode Gain
- MCQs in Integrated Circuits
- MCQs in Current Mirror
- MCQs in Loaded Differential Amplifiers
Start Practice Exam Test Questions
Choose the letter of the best answer in each questions.
1. Monolithic ICs are
- a. Forms of discrete circuits
- b. On a single chip
- c. Combinations of thin-film and thick-film circuits
- d. Also called hybrid ICs
2. The op amp can amplify
- a. AC signals only
- b. DC signals only
- c. Both ac and dc signals
- d. Neither ac nor dc signals
3. Components are soldered together in
- a. Discrete circuits
- b. Integrated circuits
- c. SSI
- d. Monolithic ICs
4. The tail current of a diff amp is
- a. Half of either collector current
- b. Equal to either collector current
- c. Two times either collector current
- d. Equal to the difference in base currents
5. The node voltage at the top of the tail resistor is closest to
- a. Collector supply voltage
- b. Zero
- c. Emitter supply voltage
- d. Tail current times base resistance
6. The input offset current equals the
- a. Difference between two base currents
- b. Average of two base currents
- c. Collector current divided by current gain
- d. Difference between two base-emitter voltages
7. The tail current equals the
- a. Difference between two emitter currents
- b. Sum of two emitter currents
- c. Collector current divided by current gain
- d. Collector voltage divided by collector resistance
8.The voltage gain of a diff amp with a differential output is equal to RC divided by
- a. re’
- b. re’/2
- c. 2re’
- d. RE
9. The input impedance of a differential amplifier equals re’ times
- a. 0
- b. RC
- c. RE
- d. 2 times Beta
10. A dc signal has a frequency of
- a. 0
- b. 60 Hz
- c. 0 to over 1 MHz
- d. 1 MHz
11. When the two input terminals of a diff amp are grounded,
- a. The base currents are equal
- b. The collector currents are equal
- c. An output error voltage usually exists
- d. The ac output voltage is zero
12. One source of output error voltage is
- a. Input bias current
- b. Difference in collector resistors
- c. Tail current
- d. Common-mode voltage gain
13. A common-mode signal is applied to
- a. The non-inverting input
- b. The inverting input
- c. Both inputs
- d. Top of the tail resistor
14. The common-mode voltage gain is
- a. Smaller than voltage gain
- b. Equal to voltage gain
- c. Greater than voltage gain
- d. None of the above
15. The input stage of an op amp is usually a
- a. Differential amplifier
- b. Class B push-pull amplifier
- c. CE amplifier
- d. Swamped amplifier
16. The tail of a diff amp acts like a
- a. Battery
- b. Current source
- c. Transistor
- d. Diode
17. The common-mode voltage gain of a diff amp is equal to RC divided by
- a. re’
- b. re’/2
- c. 2re’
- d. 2RE
18. When the two bases are grounded in a diff amp, the voltage across each emitter diode is
- a. Zero
- b. 0.7 V
- c. The same
- d. High
19. The common-mode rejection ratio is
- a. Very low
- b. Often expressed in decibels
- c. Equal to the voltage gain
- d. Equal to the common-mode voltage gain
20. The typical input stage of an op amp has a
- a. Single-ended input and single-ended output
- b. Single-ended input and differential output
- c. Differential input and single-ended output
- d. Differential input and differential output
21. The input offset current is usually
- a. Less than the input bias current
- b. Equal to zero
- c. Less than the input offset voltage
- d. Unimportant when a base resistor is used
22. With both bases grounded, the only offset that produces an error is the
- a. Input offset current
- b. Input bias current
- c. Input offset voltage
- d. Beta
Check your work.
Complete List of MCQ in Electronic Principles by Albert Malvino
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can you provide us the complte mcqs iin pdf format?