How to Determine the Strength of Magnets
How to Determine the Strength of Magnets
239K views1 month ago
wikiHowJessie Antonellis-John
You use a teslameter (a Hall-effect device) to measure the magnitude of the magnetic field at various distances from a long, straight, thick cylindrical copper cable that is carrying a large constant current. To exclude the earth's magnetic field from the measurement, you first set the meter to zero. You then measure the magnetic field B at distances x from the surface of the cable and obtain these data: x( cm) 2.0 4.0 6.0 8.0 10.0 B(mT) 0.406 0.250 0.181
You use a teslameter (a Hall-effect device) to measure the magnitude …
Feb 11, 2024
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