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23 Nov 2019
Your employer asks you to build a 26--cm long solenoid with aninterior field of 4.0 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?
Your employer asks you to build a 26--cm long solenoid with aninterior field of 4.0 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?
Jean KeelingLv2
28 Oct 2019
