Suppose a straight 1.00-mm-diameter copper wire could just float horizontally in air
Chapter 20, Problem 20.8(choose chapter or problem)
Suppose a straight 1.00-mm-diameter copper wire could just float horizontally in air because of the force due to the Earths magnetic field which is horizontal, perpendicular to the wire, and of magnitude What current would the wire carry? Does the answer seem feasible? Explain briefly
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