How should the poles be found

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Reference no: EM13975862

To any nonmagnet, the whole sphere is a magnet. To another spherical magnet though, there is a rough area on the surface where it is strongly repelled.

Given a spherical magnet, how should the poles be found?

My crude attempts were as follows
Grip one sphere in a forceps
Bring another sphere close to the forceps
Rotate/roll the spheres until the most repulsion is sensed

Mark the facing surface of the sphere in the forceps using a permanent marker

The trouble with the above approach is that I rely upon tactile memory to determine maximum repulsion.
Is there a better, inexpensive way to do this?

Reference no: EM13975862

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