Imagine you're passing a message down a line of friends. If the friends are close together, they can pass it quickly, like in a crowded room. But if they’re spread out, it takes longer. That’s like how electricity flows through materials: some let electrons move fast, others slow them down.
Examples
- A copper wire allows electricity to flow quickly, while a rubber glove prevents it from passing through.
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See also
- What is A lightweight, highly conductive metal?
- What is superconductivity?
- How do different types of magnets actually work?
- What are leaky balloons?
- What are dirac cones?