Which type of circuit connects components in a closed loop, allowing current to flow continuously?

A series circuit is characterized by the configuration in which components are connected one after another in a single path, forming a closed loop. This arrangement allows the electric current to flow continuously through each component in the circuit, provided there are no interruptions. In a series circuit, if one component fails or is removed, it breaks the loop and causes the entire circuit to stop functioning.

In contrast, a parallel circuit connects components across common points or junctions, which allows for multiple paths for the current to flow. An open circuit, on the other hand, lacks a complete path for current, meaning that the flow is interrupted. A short circuit creates an unintended path with very low resistance, which can lead to an excessive current that might cause damage or hazards. Therefore, the definition and function of a series circuit perfectly fit the description of a closed loop allowing continuous current flow.