'''Direct Current''' (DC) is an electrical flow that runs in one direction within a [[circuit]]. It is the form of electricity generated by a chemical cell (like in a [[battery]]), a [[solar cell]] or by a DC [[generator]].
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'''Direct Current''' (DC) is a voltage or current that does not vary with time. It is the form in which electricity is generated by a chemical cell ([[battery]]), a [[solar cell]] or a DC [[generator]]. DC is not used for power transmission because it cannot be manipulated by a [[transformer]].