In electrical terminology, what is a conductor?

A conductor is defined as a material that allows the free movement of electrons, thereby enabling electrical current to flow through it easily. This characteristic makes conductors essential in electrical circuits, as they provide a pathway for the movement of electric charge.

In the context of the other options, while resistors impede the flow of electrons, thus serving a different purpose in circuits, a conductor's primary role is to facilitate this flow. Similarly, devices that store electrical energy, such as capacitors or batteries, perform very different functions and are not classified as conductors. Lastly, components that convert direct current (DC) to alternating current (AC) are known as inverters, which is also a distinct category separate from the concept of conduction. Understanding the role of conductors is fundamental in electronics, as they are critical to the operation of circuits and systems.