Glossary · term

Magnetic field

Electromagnetism

Domain
Electromagnetism

Definition

The field produced by moving charge and by intrinsic spin, exerting force only on charge that is itself moving. It has no sources — no magnetic monopole has ever been found — so its field lines close on themselves.

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From the Glossary database in Notion, last edited 2026-08-17. This page is the row, rendered by the build; nothing on it is written by hand.