Physics, 04.04.2020 00:10, wonderland12372

A straight, stiff, horizontal wire of length 25 cm and mass 50 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 , the current such that the magnetic force balances the weight of the wire.

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A straight, stiff, horizontal wire of length 25 cm and mass 50 g is connected to a source of emf by...