🔋college physics i – introduction review

Conductor

Written by the Fiveable Content Team • Last updated August 2025
Written by the Fiveable Content Team • Last updated August 2025

Definition

A conductor is a material that allows the free flow of electric charge, typically electrons. Conductors are essential in creating electric circuits and are usually made from metals like copper or aluminum.

AP course connection

Topic 20.2: 20.2 Ohm’s Law: Resistance and Simple Circuits

Unit 20

5 Must Know Facts For Your Next Test

  1. A good conductor has a high density of free charge carriers, such as electrons.
  2. In an electrostatic equilibrium, the electric field inside a perfect conductor is zero.
  3. Conductors can redistribute their charges on their surface when exposed to an external electric field.
  4. The potential difference between any two points within a conductor is zero in electrostatic conditions.
  5. Conductors are used extensively in electrical wiring and electronic components due to their efficiency in transmitting electricity.

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