Physics, 30.11.2019 01:31 jalexyinez

Astraight, horizontal length of copper wire has a current i=28a through it. what are the magnitude and direction of the minimum magnetic field b needed to suspend the wire(to balance the gravitational force on it) if the linear density of the wire is 46.6g/m?

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Astraight, horizontal length of copper wire has a current i=28a through it. what are the magnitude a...