Electricity means the presence or motion of electrical charge. When the charge is moving from its source (origin) to sink (destination), it's called electrical current. Electrical charge that simply ...

This video explains the function of diodes and how they are used to control the flow of electrical current in electronic circuits. Diodes are essential components that allow current to move in only ...

It’s a complicated process, but there are charges inside wires, and these charges can be acted on by an electric field. They can move through the wire in something that’s called an electric current. A ...

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*Refers to the latest 2 years of stltoday.com stories. Cancel anytime. Q How does electricity move through wires? — Mollie Bryan, Madison, Wis. A Dan Ludois, professor of electrical and computer ...