12th November 2019


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.

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.
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