Current to suspend a wire
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How much current would you need to suspend a wire in the magnetic field from a magnet? The magnet has a B-field of about 1000 Gauss in the gap; the wire's length is about 6 cm and has a mass of 50 grams.
See the attached diagram.
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This solution determines how much current is needed to suspend a wire in a magnetic field.
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The force on a wire of length L carrying current I in a presence of a magnetic field B that is directed perpendicular to the current ...
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