Problem 20.08 Part A Suppose a straight 1.45 mm -diameter copper wire could just “float” horizontally in air because of What current would the wire carry? Express your answer using two significant figures the force due to the Earth’s magnetic field B which is horizontal, perpendicular to the wire, and of magnitude 6.0×10-5 T Submit My Answers Give Up Part B Does the answer seem feasible? ○yes no Submit My Answers Give Up