Part A)Suppose a straight 1

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Part A)Suppose a straight 1.40 mm -diameter copper wire could just "float" horizontally in air because of the force due to the Earth's magnetic field B? , which is horizontal, perpendicular to the wire, and of magnitude 4.0×10⁻⁵ T .What current would the wire carry? Does the answer seem feasible

Part B)Two long thin parallel wires 13.0 cm apart carry 25-A currents in the same direction. Determine the magnitude of the magnetic field vector at a point 10.0 cm from one wire and 6.0 cm from the other (Figure 1) .Determine the direction of the magnetic field vector at that point.