Permeability

Rarity: Rare

A topic known well beyond its field, found in many languages.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

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Notion

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Science and technology

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What Wikipedia says

In electromagnetism, permeability is the measure of magnetization produced in a material in response to an applied magnetic field. Permeability is typically represented by the (italicized) Greek letter μ. It is the ratio of the magnetic induction

Excerpt from the Wikipedia article “Permeability (electromagnetism)”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Zureks, Public domain, via Wikimedia Commons.