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SESK: Stuff Everyone Should Know · sesk.info/ham-inductor-coil-of-wire

What electrical component is typically constructed as a coil of wire?

Inductor.

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  1. Transistor
  2. Inductor ✔
  3. Capacitor

Why: An inductor is typically a coil of wire. Current through the coil creates a magnetic field.

Huh, didn't know that: Adding a magnetic core can increase a coil's inductance.

The dad joke
Why did the wire curl up into a coil? It wanted to be an inductor when it grew up.
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References

Answer: Inductor. An inductor is typically a coil of wire. Current through the coil creates a magnetic field.

  1. NCVEC 2026-2030 Technician Question Pool, T6A07 ncvec.org/downloads/2026-2030%20Technician%20Pool%20and%20Syllabus%20Public%20Release%20Feb%2019%202026.pdf
    D. Inductor
    Checked 2026-10-09.

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