Practice Quiz in Bipolar Junction Transistor Amplifiers Part 2

This is the Online Practice Quiz in Bipolar Junction Transistor 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 Bipolar Junction Transistor Amplifiers Question 11. The emitter-follower configuration has a _____ impedance at the input and a _____ impedance at the output. A. low, low B. low, high C. high, low D. high, high Question 12. What does the negative sign in the voltage gain of the common-emitter fixed-bias configuration indicate? A. The output and input voltages are 180º out of phase. B. Gain is smaller than 1. C. Gain is larger than 1. D. None of these Question 13. What is the typical value of the current gain of a common-base configuration? A. Less than 1 B. Between 1 and 50 C. Between 100 and 200 D. Undefined Question 14. The smaller the level of RL, the larger the level of ac voltage gain. A. True B. False Question 15. Which of the following is (are) true to achieve a good overall voltage gain for the circuit? A. The effect of Rs and RL must be considered as a product. B. The effect of Rs and RL must be considered as a product and evaluated individually. C. The effect of Rs and RL must be evaluated individually. D. None of these Question 16. Which of the following is (are) true regarding the input impedance for frequencies in the midrange ≤ 100 kHz of a BJT transistor amplifier? A. The input impedance is purely resistive. B. It varies from a few ohms to mega ohms. C. An ohmmeter cannot be used to measure the small-signal ac input impedance. D. All of these Question 17. The _____ model suffers from being limited to a particular set of operating conditions if it is to be considered accurate. A. hybrid equivalent B. re C. β D. Thevenin Question 18. The _____ configuration is frequently used for impedance matching. A. fixed-bias B. voltage-divider bias C. emitter-follower D. collector feedback Question 19. Which of the following represent(s) the advantage(s) of the system approach over the r-model approach? A. Thevenin's theorem can be used. B. The effect of changing the load can be determined by a simple equation. C. There is no need to go back to the ac equivalent model and analyze the entire network. D. All of these Question 20. The _____ the source resistance and/or _____ the load resistance, the less the overall gain of an amplifier. A. smaller, smaller B. smaller, larger C. larger, smaller D. larger, larger

More Practice Quiz in Bipolar Junction Transistor Amplifiers

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