Practice Quiz in BJT and FET Frequency Response Part 2

This is the Online Practice Quiz in BJT and FET Frequency Response 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.

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Quiz in BJT and FET Frequency Response Question 11. What is the range of the capacitors Cgs and Cgd? A. 1 to 10 pF B. 1 to 10 nF C. 1 to 10 µF D. 1 to 10 F Question 12. A 3-dB drop in hfe will occur at a frequency defined by ________. A. f∞ B. fβ C. 1 D. 2 Question 13. Refer to Figure 9.19. Calculate θ at 0.5f1. A. 63.43º B. 26.56º C. 45º D. Undefined Question 14. By what other name(s) are the cut-off frequencies in a frequency response plot called? A. Corner frequency B. Break frequency C. Half-power frequency D. All of these Question 15. What is the ratio of the common logarithm of a number to its natural logarithm? A. 0.435 B. 2 C. 2.3 D. 3.2 Question 16. For which of the following frequency region(s) can the coupling and bypass capacitors no longer be replaced by the short-circuit approximation? A. Low-frequency B. Mid-frequency C. High-frequency D. All of these Question 17. What is the range of the capacitor Cds? A. 0.01 to 0.1 pF B. 0.1 to 1 pF C. 0.1 to 1 nF D. 0.1 to 1 F Question 18. Which of the following statements is true for a square-wave signal? A. It is composed of both even and odd harmonics. B. It is composed only of odd harmonics. C. It is composed only of even harmonics. D. The harmonics waveforms are also square waves. Question 19. In the input RC circuit of a single-stage BJT, by how much does the base voltage lead the input voltage for frequencies much larger than the cut-off frequency in the low-frequency region? A. About 0º B. 45º C. About 90º D. None of these Question 20. Determine the lower cut-off frequency of this network. A. 15.8 Hz B. 46.13 Hz C. 238.73 Hz D. 1575.8 Hz

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