Series and Parallel Circuit Series and parallel circuits are two fundamental configurations in electrical circuits, each with distinct characteristics that affect how electricity flows through them.
Circuit 3: Ammeter on each branch, voltmeter across each bulb Circuit 4: Ammeter on each branch, voltmeter across each bulb Circuit 5: Ammeter on each branch, voltmeter across each bulb Circuit 6: ...
If there are no branches then it's a series circuit. If there are branches it's a parallel circuit. In a television series, you get several episodes, one after the other. A series circuit is similar.