Your employer asks you to build a 23-cm-long solenoid with aninterior field of 6.0 mT . The specifications call for a singlelayer of wire, wound with the coils as close together as possible.You have two spools of wire available. Wire with a #18 gauge has adiameter of 1.02 mm and has a maximum current rating of 6 A. Wirewith a #26 gauge is 0.41 mm in diameter and can carry up to 1A.
A) Which wire should you use?
B) What current will you need?
