Wiring and componentsQuestion 792 of 1506

Why are metals good conductors?

Their nuclei move freely
Their atoms have no electrons, so nothing holds charge
Their electrons are all bound tightly
Their electrons move freely between the atoms

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Correct answer: Their electrons move freely between the atoms

The electrons in a metal act like a free electron sea and move under an electric field.

Source: Lessons in Electric Circuits I: DC (Kuphaldt), 12.1: 12.1 Introduction to Conductance and Conductors

Questions last reviewed: 18 October 2026

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