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Energy: Electricity
Direct and Alternating Current
Description
Direct and Alternating Current
Electricity moves through circuits in different ways, and two of the main types of electric current are direct current (DC) and alternating current (AC). In direct current, electricity flows in one direction only. Batteries are a common source of DC, powering devic...
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Transcript
Imagine you flip a switch and the room lights up. That happens because of something called an electric current.
Electric current is the flow of electric charges through wires and circuits.
This current can flow in two ways: either in one constant direction or by changing directions repeatedly.
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