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Technician exam question T6A09

Subelement T6, ELECTRONIC AND ELECTRICAL COMPONENTS· Group T6A

T6A09

What type of switch is represented by component 3 in figure T-2?

  • A.Single-pole single-throw (correct answer)
  • B.Single-pole double-throw
  • C.Double-pole single-throw
  • D.Double-pole double-throw

WhyComponent 3 in figure T-2 is a single-pole single-throw switch. Component 3 in figure T-2 is drawn as a simple two-terminal switch with a single break in the line, no extra poles or additional throw positions, the symbol for a single-pole, single-throw switch, answer A. B, C, and D all describe switches with more poles or throw positions than this plain on/off symbol shows.

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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