+**Dc** (Direct Current) is the continuous flow of electric charge in a single direction. Unlike [Alternating Current](/wiki/Alternating_Current) (Ac), its magnitude can be constant or vary, but the flow itself never reverses. This steady [Current](/wiki/Current) powers many portable devices and electronic circuits, often supplied by batteries.
+## See also
+- [Electricity](/wiki/Electricity)
+- [Voltage](/wiki/Voltage)
+- [Power](/wiki/Power)
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