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Technician exam question T6C09

Subelement T6, ELECTRONIC AND ELECTRICAL COMPONENTS· Group T6C

T6C09

What is component 4 in figure T-2?

  • A.Variable inductor
  • B.Double-pole switch
  • C.Potentiometer
  • D.Transformer (correct answer)

WhyComponent 4 in figure T-2 is a transformer. Component 4 in figure T-2 is drawn as two coils of wire placed side by side with parallel lines between them representing the magnetic core, the standard symbol for a transformer, answer D. A, B, and C all name components with different symbols, none matching this paired-coil arrangement.

Schematic diagram T-2 showing several numbered electronic component symbols for a component-identification question, including a single-pole single-throw switch, a transformer, a capacitor, a light-emitting diode, and a variable resistor.

Published 2026-08-28 · Last updated 2026-08-28 · Question text is verbatim from the 2026-2030 NCVEC Element 2 pool (public domain); the explanation above is original writing, see our methodology.

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