73·STUDY

Technician exam question T6B10

Subelement T6, ELECTRONIC AND ELECTRICAL COMPONENTS· Group T6B

T6B10

Which of the following can provide power gain?

  • A.Transformer
  • B.Transistor (correct answer)
  • C.Reactor
  • D.Resistor

WhyA transistor can provide power gain. A transistor is an active device that can deliver more output power than the input signal supplies, providing power gain, answer B. A transformer (A) and reactor (C, an inductor) are passive components that can't add power, only transfer or store what's already present, and a resistor (D) only dissipates power.

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.

Related questions