What Is a DC Circuit?

What Is a DC Circuit?. Part of the series: Physical & Life Science. A DC circuit refers to a direct current circuit, which is a current that moves in one direction, as opposed to an alternating current. Find out how a cell or battery provides power to a DC circuit with help from a science teacher in this free video on physical science. Read more: http://www.ehow.com/video_4756334_what-dc-circuit.html