What is the term for electric circuits with two or more paths through which charge can flow?

The term that describes electric circuits with two or more paths through which charge can flow is "parallel circuits." In parallel circuits, each pathway allows electric current to flow independently of the others. This means if one path is obstructed or one component fails, the remaining pathways can still conduct electricity, ensuring that the circuit continues to function. This characteristic is crucial in many applications, as it enhances the reliability of devices and systems by preventing a complete circuit failure due to one component malfunctioning.

In contrast, series circuits involve connections where components are arranged in a single path for the current to flow. If any component in a series circuit fails, the entire circuit stops functioning. Terms like complex circuits and open circuits do not specifically refer to the configuration with multiple paths for current flow and therefore are not the appropriate terminology for this type of circuit.