+A **circuit** is a closed path through which something, often [Electric Current](/wiki/electric-current), can flow. It forms a complete loop, enabling the transfer of energy or signals between connected [Components](/wiki/components). This fundamental arrangement powers countless systems, from simple lights to complex computers.
+## See also
+- [Electronics](/wiki/electronics)
+- [Resistor](/wiki/resistor)
+- [Voltage](/wiki/voltage)
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