What describes a series circuit?

A series circuit is defined by the connection of all its components end-to-end, forming a single continuous path for the electric current to flow. In this configuration, the same amount of current flows through each component because there is only one path for the current. If one component fails or is disconnected, the entire circuit is interrupted, which stops the flow of current. This characteristic is a fundamental aspect of how series circuits operate and distinguishes them from parallel circuits, where multiple paths are available for the current.

The presence of this single, uninterrupted loop for the current not only defines the series arrangement but also influences how voltage is distributed across the components. Each component in a series circuit shares the same current, making it essential for calculations regarding voltage drops and total resistance in the circuit. Understanding these principles is critical for anyone working with electrical installations, as it helps them make informed decisions about circuit design and functionality.