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Physics, 11.11.2019 18:31 IsabellaGracie
Your friend wants to be magician and intends to use earth’s magnetic field to suspend a current-carrying wire above the stage. he asks you to estimate the minimum current needed to suspend the wire just above earth’s surface at the equator (where earth’s magnetic field is horizontal). assume the wire has a mass of 10 g, and length of 1.0 m. would you advise him to proceed with his plans for this act?
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