Explanation:
In series circuits, current is the same through all components because there's only one path for charge flow. Voltage divides across components proportional to resistance (V = IR). Resistance and power vary per component. Memory aid: 'Series: same current; Parallel: same voltage'. This fundamental circuit property is frequently tested in competitive exams to assess basic electronics understanding. Always apply Kirchhoff's current law: current entering a junction equals current leaving; in series, no junctions, so current constant.
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