What do you call a circuit that is complete, allowing electricity to flow?

A circuit that is complete and allows electricity to flow is referred to as a closed circuit. In this type of circuit, there are no breaks or interruptions, which means the path for electric current is unbroken and current can move freely from the power source through the components of the circuit and back to the source.

A closed circuit is essential for functioning electronic devices since the electric current needs a complete loop to power components like lights, motors, or other devices. The definition of a closed circuit highlights its ability to facilitate the flow of electricity, making it a fundamental concept in electronics and circuit design.

In contrast, an open circuit lacks this continuity, preventing any current flow, while a short circuit represents an unintended pathway that bypasses the intended load, often leading to circuit damage or failure. A series circuit involves a specific configuration of components arranged one after another, which can be a type of closed circuit but does not universally define all closed circuits.