What type of circuit demonstrates a single path for current flow?

A series circuit is characterized by a single path through which electrical current flows. In this configuration, all components, such as resistors, capacitors, or other devices, are connected one after the other. This means the same current flows through each component in the series path, and if any component fails or is disconnected, the entire circuit is interrupted, halting the current flow. This illustrates the fundamental principle of a series circuit where the flow of electricity is dependent on a continuous path, making it distinct from other types of circuits that may involve multiple paths or branches.

The other types of circuits mentioned differ in their configuration and behavior. For example, a parallel circuit features multiple paths for current to flow, allowing different components to operate independently. A complex circuit, while it may include series and parallel combinations, does not specifically indicate a single path. An open circuit is one that is incomplete, preventing current from flowing altogether rather than illustrating a defined path for that flow.