Technician exam question T6D04
Subelement T6, ELECTRONIC AND ELECTRICAL COMPONENTS· Group T6D
T6D04
Which of the following displays an electrical quantity as a numeric value?
- A.Potentiometer
- B.Transistor
- C.Meter (correct answer)
- D.Relay
WhyA meter displays an electrical quantity as a numeric value. A meter is the device built to display an electrical quantity as a readable numeric value, whether on an analog dial or digital readout, answer C. A potentiometer (A) adjusts resistance, a transistor (B) amplifies or switches signals, and a relay (D) is an electrically operated switch, none of which displays a measured value.
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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