Malvino: MCQ in Frequency Effects

(Last Updated On: February 7, 2020)
MCQs in Frequency Effects

This is the Multiple Choice Questions in Chapter 16: Frequency Effects 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 Frequency Response Amplifiers
  • MCQs in Decibel Power Gain
  • MCQs in Decibel Voltage Gain
  • MCQs in Impedance Matching
  • MCQs in Decibel Above the Reference
  • MCQs in Bode Plots
  • MCQs in Miller Effect
  • MCQs in Risetime Bandwidth Relationship
  • MCQs in Frequency Analysis of BJT Stages
  • MCQs in Frequency Analysis of FET Stages
  • MCQs in Frequency Effects of Surface-Mount Circuits

Start Practice Exam Test Questions

Choose the letter of the best answer in each questions.

1. Frequency response is a graph of voltage gain versus

  • a. Frequency
  • b. Power gain
  • c. Input voltage
  • d. Output voltage

2. At low frequencies, the coupling capacitors produce a decrease in

  • a. Input resistance
  • b. Voltage gain
  • c. Generator resistance
  • d. Generator voltage

3. The stray-wiring capacitance has an effect on the

  • a. Lower cutoff frequency
  • b. Midband voltage gain
  • c. Upper cutoff frequency
  • d. Input resistance

4. At the lower or upper cutoff frequency, the voltage gain is

  • a. 0.35Amid
  • b. 0.5Amid
  • c. 0.707Amid
  • d. 0.995Amid

5. If the power gain doubles, the decibel power gain increases by

  • a. A factor of 2
  • b. 3 dB
  • c. 6 dB
  • d. 10 dB

6. If the voltage gain doubles, the decibel voltage gain increases by

  • a. A factor of 2
  • b. 3 dB
  • c. 6 dB
  • d. 10 dB

7. If the voltage gain is 10, the decibel voltage gain is

  • a. 6 dB
  • b. 20 dB
  • c. 40 dB
  • d. 60 dB

8. If the voltage gain is 100, the decibel voltage gain is

  • a. 6 dB
  • b. 20 dB
  • c. 40 dB
  • d. 60 dB

9. If the voltage gain is 2000, the decibel voltage gain is

  • a. 40 dB
  • b. 46 dB
  • c. 66 dB
  • d. 86 dB

10. Two stages have decibel voltage gains of 20 and 40 dB. The total ordinary voltage gain is

  • a.1
  • b. 10
  • c. 100
  • d. 1000

11. Two stages have voltage gains of 100 and 200. The total decibel voltage gain is

  • a. 46 dB
  • b. 66 dB
  • c. 86 dB
  • d. 106 dB

12. One frequency is 8 times another frequency. How many octaves apart are the two frequencies?

  • a. 1
  • b. 2
  • c. 3
  • d. 4

13. If f = 1 MHz, and f2 = 10 Hz, the ratio f/f2 represents how many decades?

  • a. 2
  • b. 3
  • c. 4
  • d. 5

14. Semi-logarithmic paper means

  • a. One axis is linear, and the other is logarithmic
  • b. One axis is linear, and the other is semi-logarithmic
  • c. Both axes are semi-logarithmic
  • d. Neither axis is linear

15. If you want to improve the high-frequency response of an amplifier, which of these would you try?

  • a. Decrease the coupling capacitances.
  • b. Increase the emitter bypass capacitance.
  • c. Shorten leads as much as possible.
  • d. Increase the generator resistance.

16. The voltage gain of an amplifier decreases 20 dB per decade above 20 kHz. If the midband voltage gain is 86 dB, what is the ordinary voltage gain at 20 MHz?

  • a. 20
  • b. 200
  • c. 2000
  • d. 20,000

Check your work.

Complete List of MCQ in Electronic Principles by Albert Malvino

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