You cannot make the earth's magnetic field disappear, so while performing magnetic field mappings can the...

You cannot make the earth's magnetic field disappear, so while performing magnetic field mappings can the earth's field impact my results? if any at all?
In Mapping magnetic fields where are they the strongest and weakest?

Expert Solution

The earth's magnetic field is quite weak when compared to your magnet of consideration, it really depends upon how accurate you want your field lines to be mapped, if the magnet that you are considering had strength which is less than even earth's field then it will surely affect your mappings, but usually its not the case.

magnetic field is strong if the magnetic field lines are crowded or closely spaced. It can be put technically as the greater the magnetic field lines per unit area, greater will be the magnetic field.
magnetic field lines do not intersect at any point.
in the case of a bar magnet, the field is strong at the both the poles but weak in the middle of its length, although if you split your magnet into two then new north and south poles will be created with lesser pole strength anyhow.

genius_generous answered 6 months ago

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