What advantage is there in using a set of helmholtz coils over just a single small magnet?

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asked Sep 4, 2017 208k views

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Riva · Answer 1 · 2017-09-08T02:46:28+0000

Two parallel coils separated by a distance equal to the radius of the coils are known as Helmholtz coils. They are frequently used because they generate a magnetic field that is uniform over an appreciable region about its midpoint.

What advantage is there in using a set of helmholtz coils over just a single small magnet?

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