A L = 15-cm long conducting wire of 6-g carrying I = 7 A current is placed in a uniform magnetic field. What are the strength and direction of the magnetic field needed to levitate the wire? (g = 9.80 m/s2)
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A L = 15-cm long conducting wire of 6-g carrying I = 7 A current is placed in a uniform magnetic field. What are the strength and direction of the magnetic field needed to levitate the wire? (g = 9.80 m/s2)
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