To measure the magnetic strength of a bar magnet use a gauss meter for the test.
Test for magnetic strength of a bar magnet
The strength of a magnet is determined by the pull force exerted by the magnet when it is pulled away from a magnetic material like steel.
Use the following steps to determine the strength of a magnet;
- Get a gauss meter and magnet, take both where no other magnetic material can be located.
- Place the gauss meter directly on on the surface of one of the magnet's poles.
- Locate the needle on the gauss meter and find the corresponding heading. If the needle points far left or far right, then strength of the magnetic field is high and vice versa.
Learn more about strength of magnet here: https://brainly.com/question/26257705
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