Technician Class License Exam Questions
Electrical components: semiconductors; circuit diagrams; component functions
- 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?