SESKStuff Everyone Should Know
SESK: Stuff Everyone Should Know · sesk.info/ham-potentiometer-controls-resistance

What electrical parameter is controlled by a potentiometer?

Resistance.

Start playing free

  1. Inductance
  2. Capacitance
  3. Resistance ✔

Why: A potentiometer is an adjustable resistor. Moving its shaft or slider changes the resistance setting.

Huh, didn't know that: A potentiometer normally has three electrical terminals.

The dad joke
Why are potentiometers good at deals? They always have room to adjust.
Like this card?
Play the game

References

Answer: Resistance. A potentiometer is an adjustable resistor. Moving its shaft or slider changes the resistance setting.

  1. NCVEC 2026-2030 Technician Question Pool, T6A03 ncvec.org/downloads/2026-2030%20Technician%20Pool%20and%20Syllabus%20Public%20Release%20Feb%2019%202026.pdf
    B. Resistance
    Checked 2026-10-09.

Think this answer is wrong? Tap "Challenge this answer" on the card in the game and tell us why.

Test yourself in the game

Ham RadioWhat type of component is often used as an adjustable volume control?Ham RadioWhat electrical component stores energy in an electric field?Ham RadioWhich battery chemistry is NOT rechargeable?

That's stuff everyone should know.