Series Circuit
A circuit configuration where all components are connected end-to-end in a single path, so the same current flows through each component.
Detailed Explanation
In series circuits, current is the same through all components, but voltage divides across them proportionally to their resistance (V = IR for each component). Total resistance is the sum of all individual resistances (Rt = R1 + R2 + R3...). If any component fails or opens, the entire circuit stops working. While most building wiring uses parallel circuits, series connections are found in some specialized applications like certain holiday light strings and current-limiting circuits.
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