Practice Quiz in BJT and FET Frequency Response Part 4

This is the Online Practice Quiz in BJT and FET Frequency Response Part 4 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 IV of the Online Practice Quiz

Quiz in BJT and FET Frequency Response Question 31. What is the ratio of the output voltage to the input voltage at the cut-off frequencies in a normalized frequency response plot? A. 0.25 B. 0.50 C. 0.707 D. 1 Question 32. For audio systems, the reference level is generally accepted as A. 1 mW B. 1 W C. 10 mW D. 100 mW Question 33. Which of the following elements is (are) important in determining the gain of the system in the high-frequency region? A. Interelectrode capacitances B. Wiring capacitances C. Miller effect capacitance D. All of these Question 34. The input power to a device is 10,000 W at 1000 V. The output power is 500 W, and the output impedance is 100 Ω. Find the voltage gain in decibels. A. –30.01 dB B. –20.0 dB C. –13.01 dB D. –3.01 dB Question 35. What is the ratio of the output power to the input power at the cut-off frequencies in a normalized frequency response plot? A. 0.25 B. 0.50 C. 0.707 D. 1 Question 36. For two identical stages in cascade, the drop-off rate in the high- and low-frequency regions has increased to _____ per decade. A. –3 dB B. –6 dB C. –20 dB D. –40 dB Question 37. f∞ is _____ than fβ in a common-base configuration. A. significantly smaller B. smaller C. significantly greater D. None of these Question 38. At very high frequencies, the effect of Ci is to _____ the total impedance of the parallel combination of R1, R2, R3, and Ci. A. increase B. maintain C. decrease D. None of these Question 39. The _____ region produces the maximum voltage gain in a single-stage BJT or FET amplifier. A. low-frequency B. mid-frequency C. high-frequency D. None of these Question 40. The Miller effect is meaningful in the _____ amplifier. A. inverting B. noninverting C. inverting/noninverting D. None of these

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