This problem has been solved! see the answeryour employer asks you to build a 20 cm-long solenoid with an interior field of 5.0 mt. the specifications call for a single layer of wire, wound with the coils as close together as possible. you have two spools of wire available. wire with a #18 gauge has a diameter of 1.02 mm and has a maximum current rating of 6 a. wire with a #26 gauge is 0.41 mm in diameter and can carry up to 1 a. which wire should you use, and what current will you need?