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Results tagged with magnetic-fields
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user 180277
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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Halbach array and levitation
One of the many "no free lunch" theorems in physics is known as Earnshaw's theorem. This theorem, which applies in both electrostatics and magnetostatics, states that there is no possible stable conf …
