Terminology of wound components: A length of insulated wire wound into turns may be referred to by various names in electronics. Which description(s) apply?

Introduction / Context:
Wound components appear in power supplies, filters, RF circuits, and energy storage applications. The same physical object (a wire wound into turns) can be called a coil, an inductor, or a choke depending on its function and frequency range. Recognizing these interchangeable terms prevents confusion when reading datasheets or schematics.

Given Data / Assumptions:

• We consider a generic wound component: a wire formed into multiple turns, possibly on a core.
• Terminology may vary by application domain (power vs RF).
• Magnetic core or air core may be used.

Concept / Approach:
The component stores energy in a magnetic field when current flows (L * I^2 / 2). In general terms it is a “coil” or “inductor.” The word “choke” often implies use as a series element intended to impede AC (especially high-frequency ripple) while passing DC—common in filters and line EMI suppression. Despite nuanced meanings, all labels refer to a wound inductor.

Step-by-Step Solution:
Identify the physical form: wound turns of wire.Function: energy storage and impedance to changing current.Use cases: RF coils (tuned circuits), power inductors (buck/boost), chokes (filtering).Conclusion: all listed names correctly describe a wire winding used as an inductor.

Verification / Alternative check:
Component catalogs label similar parts as “power inductors,” “RF coils,” and “common-mode chokes,” confirming overlapping terminology.

Why Other Options Are Wrong:
Each individual term is accurate—but the most comprehensive, correct choice is the inclusive option.

Common Pitfalls:
Assuming “choke” is a different device; it is an inductor tailored to choking (impeding) AC components.

Final Answer:
All of the above