Ham Radio General Class Test 2026 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 545

What is an advantage of using a ferrite core toroidal inductor?

Large values of inductance may be obtained

The magnetic properties of the core may be optimized for a specific range of frequencies

Most of the magnetic field is contained in the core

All of these choices are correct

Using a ferrite core toroidal inductor offers several advantages, making it a valuable component in many electronic applications. One of the primary benefits is that most of the magnetic field generated by the inductor is contained within the core itself. This containment reduces electromagnetic interference and enhances the inductance efficiency, making the toroidal design more effective than other shapes, such as air-core inductors.

Additionally, the magnetic properties of ferrite materials can be specifically optimized for certain ranges of frequencies. This means that designers can select a ferrite core that will perform exceptionally well for the intended application, whether it is for power supply filtering, RF applications, or other contexts where frequency response is critical.

Finally, ferrite toroidal inductors can be designed to achieve large values of inductance while maintaining a compact physical size. This is especially valuable in modern electronic devices where space is at a premium.

Each of these advantages contributes to the overall effectiveness and versatility of ferrite core toroidal inductors, which is why all the choices presented affirm the merits of using them in circuit designs.

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