Resistors are tiny components that play a big role in shaping how electricity flows through a circuit. This video explains ...

There’s a small, silent component hiding in almost every electronic device—from your phone and laptop to your TV and charger.

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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 ...