How Are Conductors and Insulators Alike?

Mark Fickett/CC-BY-2.0

Conductors are materials that allow the flow of electric current, whereas insulators do not. While conductors and insulators are different in that respect, their similarity is in their makeup of atoms. It is these atoms that either have room to float around to facilitate conduction or have little freedom to move around; this lack of freedom makes the material they form an insulator.

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