# Practice Quiz in Bipolar Junction Transistors Part 3

(Last Updated On: February 4, 2020)

This is the Online Practice Quiz in Bipolar Junction Transistors Part 3 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 III of the Online Practice Quiz

#### Quiz in Bipolar Junction Transistors

Question 21. Use this table of collector characteristics to calculate βac at VCE = 15 V and IB = 30 µA.

A. 100

B. 106

C. 50

D. 400

Question 22. Calculate βdc at VCE = 15 V and IB = 30 µA.

A. 100

B. 116

C. 50

D. 110

Question 23. Calculate minority current ICO if IC = 20.002 mA and IC majority = 20 mA.

A. 2 µA

B. 0.002 µA

C. 2 nA

D. 2 pA

Question 24. What are the ranges of the ac input and output resistance for a common-base configuration?

A. 10 Ω–100 Ω, 50 k Ω–1 MΩ

B. 50 kΩ –1 MΩ, 10 Ω –100 Ω

C. 10 Ω –100 kΩ, 50 Ω –1 kΩ

D. None of these

Question 25. Calculate βac for IC = 15 mA and VCE = 5 V.

A. 200

B. 180

C. 220

D. None of these

Question 26. In which region are both the collector-base and base-emitter junctions forward-biased?

A. Active

B. Cutoff

C. Saturation

D. All of these

Question 27. A transistor can be checked using a(n) _____.

A. curve tracer

B. digital meter

C. ohmmeter

D. Any of these

Question 28. For a properly biased pnp transistor, let IC = 10 mA and IE = 10.2 mA. What is the level of IB?

A. 0.2 A

B. 200 mA

C. 200 µA

D. 20.2 mA

Question 29. Which component of the collector current IC is called the leakage current?

A. Majority

B. Independent

C. Minority

D. None of these

Question 30. Which of the following regions is (are) part of the output characteristics of a transistor?

A. Active

B. Cutoff

C. Saturation

D. All of these

### More Practice Quiz in Bipolar Junction Transistors

Practice Quiz Part 1

Practice Quiz Part 2

Practice Quiz Part 3

Practice Quiz Part 4

Practice Quiz Part 5

Practice Quiz Part 6

### See: Complete List of Practice Quizzes

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

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