23rd August 2018

coolmagnetman
11

What affects the strength of the magnetic field?

As seen in the previous section, and copied below, the material the permanent magnet is made from has a significant effect on the overall strength of a magnet. The material will also determine how its flux is affected by temperature, and how easily the magnet can be demagnetized by opposing magnetic fields.

Is a magnet stronger when it's cold?

In extremely cold temperatures the atoms will move more slowly and less randomly. This creates a more controlled alignment of the atoms that produce the magnetic field and a slightly stronger magnetism.
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