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Physics, 17.03.2020 05:18 ksawyer745

A straight, stiff, horizontal wire of length 25 cm and mass 90 g is connected to a source of emf by light, flexible leads. A magnetic field of 1.33 T is horizontal and perpendicular to the wire. Find the current necessary to float the wire, that is, find the current for which the magnetic force balances the weight of the wire.

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