FCC Technician Class Exam Study Guide - 2014-2018/Subelement T6 Group B

Semiconductors: basic principles and applications of solid state devices; diodes and transistors

The Question Pool

Question 1

What class of electronic components is capable of using a voltage or current signal to control current flow?

A. Capacitors

B. Inductors

C. Resistors

D. Transistors

The correct answer is D.

Question 2

What electronic component allows current to flow in only one direction?

A. Resistor

B. Fuse

C. Diode

D. Driven Element

The correct answer is C.

Question 3

Which of these components can be used as an electronic switch or amplifier?

A. Oscillator

B. Potentiometer

C. Transistor

D. Voltmeter

The correct answer is C.

Question 4

Which of the following components can be made of three layers of semiconductor material?

A. Alternator

B. Transistor

C. Triode

D. Pentagrid converter

The correct answer is B.

Question 5

Which of the following electronic components can amplify signals?

A. Transistor

B. Variable resistor

C. Electrolytic capacitor

D. Multi-cell battery

The correct answer is A.

Question 6

How is the cathode lead of a semiconductor diode usually identified?

A. With the word cathode

B. With a stripe

C. With the letter C

D. All of these choices are correct

The correct answer is B.

Question 7

What does the abbreviation LED stand for?

A. Low Emission Diode

B. Light Emitting Diode

C. Liquid Emission Detector

D. Long Echo Delay

The correct answer is B.

Question 8

What does the abbreviation FET stand for?

A. Field Effect Transistor

B. Fast Electron Transistor

C. Free Electron Transition

D. Field Emission Thickness

The correct answer is A.

Question 9

What are the names of the two electrodes of a diode?

A. Plus and minus

B. Source and drain

C. Anode and cathode

D. Gate and base

The correct answer is C.

Question 10

What are the three electrodes of a PNP or NPN transistor?

A. Emitter, base, and collector

B. Source, gate, and drain

C. Cathode, grid, and plate

D. Cathode, drift cavity, and collector

The correct answer is A.

Question 11

What at are the three electrodes of a field effect transistor?

A. Emitter, base, and collector

B. Source, gate, and drain

C. Cathode, grid, and plate

D. Cathode, gate, and anode

The correct answer is B.

Question 12

What is the term that describes a transistor's ability to amplify a signal?

A. Gain

B. Forward resistance

C. Forward voltage drop

D. On resistance

The correct answer is A.