Technician Class License Exam Questions
Subelement T6
Electrical components: semiconductors; circuit diagrams; component functions
Groups
- T6A - Electrical components: fixed and variable resistors; capacitors and inductors; fuses; switches; batteries
- T6B - Semiconductors: basic principles and applications of solid state devices; diodes and transistors
- T6C - Circuit diagrams; schematic symbols
- T6D - Component functions: rectification; switches; indicators; power supply components; resonant circuit; shielding; power transformers; integrated circuits
Question Display Options:
Group T6A
Electrical components: fixed and variable resistors; capacitors and inductors; fuses; switches; batteries
T6A01
What electrical component is used to oppose the flow of current in a DC circuit?
T6A02
What type of component is often used as an adjustable volume control?
T6A03
What electrical parameter is controlled by a potentiometer?
T6A04
What electrical component stores energy in an electric field?
T6A05
What type of electrical component consists of two or more conductive surfaces separated by an insulator?
T6A06
What type of electrical component stores energy in a magnetic field?
T6A07
What electrical component is usually composed of a coil of wire?
T6A08
What electrical component is used to connect or disconnect electrical circuits?
T6A09
What electrical component is used to protect other circuit components from current overloads?
T6A10
Which of the following battery types is rechargeable?
T6A11
Which of the following battery types is not rechargeable?
Group T6B
Semiconductors: basic principles and applications of solid state devices; diodes and transistors
T6B01
What class of electronic components is capable of using a voltage or current signal to control current flow?
T6B02
What electronic component allows current to flow in only one direction?
T6B03
Which of these components can be used as an electronic switch or amplifier?
T6B04
Which of the following components can be made of three layers of semiconductor material?
T6B05
Which of the following electronic components can amplify signals?
T6B06
How is the cathode lead of a semiconductor diode usually identified?
T6B07
What does the abbreviation LED stand for?
T6B08
What does the abbreviation FET stand for?
T6B09
What are the names of the two electrodes of a diode?
T6B10
What are the three electrodes of a PNP or NPN transistor?
T6B11
What at are the three electrodes of a field effect transistor?
T6B12
What is the term that describes a transistor's ability to amplify a signal?
Group T6C
Circuit diagrams; schematic symbols
T6C01
What is the name for standardized representations of components in an electrical wiring diagram?
T6C02
What is component 1 in figure T1?

T6C03
What is component 2 in figure T1?

T6C04
What is component 3 in figure T1?

T6C05
What is component 4 in figure T1?

T6C06
What is component 6 in figure T2?

T6C07
What is component 8 in figure T2?

T6C08
What is component 9 in figure T2?

T6C09
What is component 4 in figure T2?

T6C10
What is component 3 in figure T3?

T6C11
What is component 4 in figure T3?

T6C12
What do the symbols on an electrical circuit schematic diagram represent?
T6C13
Which of the following is accurately represented in electrical circuit schematic diagrams?
Group T6D
Component functions: rectification; switches; indicators; power supply components; resonant circuit; shielding; power transformers; integrated circuits
T6D01
Which of the following devices or circuits changes an alternating current into a varying direct current signal?
T6D02
What best describes a relay?
T6D03
What type of switch is represented by component 3 in figure T2?

T6D04
Which of the following can be used to display signal strength on a numeric scale?
T6D05
What type of circuit controls the amount of voltage from a power supply?
T6D06
What component is commonly used to change 120V AC house current to a lower AC voltage for other uses?
T6D07
Which of the following is commonly used as a visual indicator?
T6D08
Which of the following is used together with an inductor to make a tuned circuit?
T6D09
What is the name of a device that combines several semiconductors and other components into one package?
T6D10
What is the function of component 2 in Figure T1?

T6D11
What is a simple resonant or tuned circuit?
T6D12
Which of the following is a common reason to use shielded wire?