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

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

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.