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SESK: Stuff Everyone Should Know · sesk.info/ham-transistor-power-gain

Which component can provide power gain?

Transistor.

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  1. Transformer
  2. Reactor
  3. Transistor ✔

Why: A transistor can control power from a supply so the output signal has more power than the input signal. That is power gain.

Huh, didn't know that: A passive resistor cannot provide power gain.

The dad joke
Why did the transistor win the weightlifting contest? It had real power gain.
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References

Answer: Transistor. A transistor can control power from a supply so the output signal has more power than the input signal. That is power gain.

  1. NCVEC 2026-2030 Technician Question Pool, T6B10 ncvec.org/downloads/2026-2030%20Technician%20Pool%20and%20Syllabus%20Public%20Release%20Feb%2019%202026.pdf
    B. Transistor
    Checked 2026-10-09.

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