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Results tagged with magnetic-fields
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user 16725
For questions that utilize the concept of magnetic fields (commonly denoted by the letter B), or for questions whose answers likely involve magnetic fields. More specific than the [magnetism] tag, as questions about the phenomenon & theory of magnetism do not necessarily involve the discussion of fields.
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origin of magnetic field in a permanent magnet
The electron is spinning for an infinite time. Yup, it's crazy. Quantum theory does allow for persistent currents, not just electron spin.
In fact you can see this sort of quantum perpetual motion in …
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