Practical picture
Recognize the basic parts, know what they do, and be able to read their symbols on a schematic. This is the component vocabulary used everywhere else in radio.
T6 · Electronic & Electrical Components
T6 Electronic & Electrical Components
Recognize the basic parts, know what they do, and be able to read their symbols on a schematic. This is the component vocabulary used everywhere else in radio.
Technician exam focus
T6 has 4 question groups and contributes 4 questions to a Technician exam — one from each group.
Subelement T6
Electronic & Electrical Components
Work through the groups below in any order. Each page teaches the idea in normal language while keeping the tested terminology recognizable.
T6A · 11 pool questions
Resistors, Capacitors, Inductors, Switches & Batteries
Fixed and variable resistors, capacitors, inductors, fuses, switches, and battery types.
Study T6A →T6B · 12 pool questionsDiodes, Transistors & Semiconductors
Semiconductor basics, diodes, transistors, FETs, and gain.
Study T6B →T6C · 12 pool questionsSchematics & Component Symbols
How schematics represent circuits and the standard symbols used for common components.
Study T6C →T6D · 11 pool questionsCircuit Functions, Transformers & Resonance
Rectifiers, relays, regulators, meters, indicators, integrated circuits, transformers, resonant circuits, and shielding.
Study T6D →Close the loop
Quiz Me on T6
Study the concepts here, then use the current public-domain Technician pool to see how they are asked on the exam.
Exam scope: NCVEC 2026–2030 Technician Class (Element 2), effective July 1, 2026 through June 30, 2030, with February 19, 2026 errata. The current NCVEC pool is the exam authority; explanatory prose here is SPARKA teaching material. NCVEC pool