# Practice Quiz in Bipolar Junction Transistor Amplifiers Part 7

Online Practice Quiz in Bipolar Junction Transistor Amplifiers part 7 from the book Electronic Devices and Circuit Theory 10th Edition by Robert L. Boylestad.

This is the Online Practice Quiz in Bipolar Junction Transistor Amplifiers Part 7 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 VII of the Online Practice Quiz

#### Quiz in Bipolar Junction Transistor Amplifiers

Question 61. In a common-emitter configuration _____ is the controlling current while _____ is the controlled current.

A. IC, IB

B. IC, IE

C. IB, IC

D. None of these

Question 62. In an emitter-follower, the output voltage is _____ with the input voltage.

A. 45Âº out of phase

B. 90Âº out of phase

C. 180Âº out of phase

D. in phase

Question 63. _____ can be applied to determine the response of the ac equivalent circuit

A. Mesh analysis

B. Node analysis

C. Thevenin's theorem

D. All of these

Question 64. The _____ of the input signal is one of the first concerns in the sinusoidal ac analysis of transistor networks.

A. period

B. frequency

C. magnitude

D. None of these

Question 65. An emitter-follower has _____ impedance at the input and _____ impedance at the output.

A. high, high

B. low, high

C. high, low

D. C

Question 66. For the common-emitter and common-base configurations, the magnitude of _____ and _____ is often not included in the model.

A. hr, ho

B. hi, he

C. hi, hr

D. he, ho

Question 67. The _____ the source resistance, the _____ the overall gain of an amplifier.

A. larger, higher

B. larger, lower

C. lower, lower

D. None of these

Question 68. For a common-base configuration, the input impedance is relatively _____ and the output impedance quite _____.

A. high, small

B. small, high

C. small, small

D. high, high

Question 69. Ideally, the changes in the load resistor or the source resistor should have _____ effect on all the parameters of the two-port model.

A. a great

B. a moderate

C. no

D. None of these

Question 70. In a hybrid equivalent circuit, ______ is determined to make it easier to find the other parameters.

A. Zi

B. Zo

C. Ai

D. NAv

Question 71. The ac voltage gain of a Darlington connection is about _____.

A. 0

B. 1

C. Î²D

D. None of these

Question 72. The common-emitter configuration has a _____ level of input impedance with a _____ voltage and current gain.

A. moderate, high

B. low, moderate

C. low, low

D. high, low

Question 73. The peak value of the ac input signal is controlled by the _____ in a transistor network for the frequencies in the low to midrange.

A. resistors

B. applied dc voltage

C. capacitors

D. None of these

Question 74. In a common-base configuration, the input and output voltages are _____ and the output and input currents are _____.

A. 180Âº out of phase, 180Âº out of phase

B. 180Âº out of phase, in phase

C. in phase,180Âº out of phase

D. in phase, in phase

### More Practice Quiz in Bipolar Junction Transistor Amplifiers

Practice Quiz Part 1

Practice Quiz Part 2

Practice Quiz Part 3

Practice Quiz Part 4

Practice Quiz Part 5

Practice Quiz Part 6

Practice Quiz Part 7

### See: Complete List of Practice Quizzes

Note: After taking this particular quiz, you can proceed to check all the topics.

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