Two wires are parallel, with one directly above the other, 9 cm apart. Each wire has a weight per unit length of 1.00 x 10-4 N/m. Assume the wires carry currents that are equal in magnitude. (a) Find the current in the wires if the upper wire is floating (balanced) above the lower wire. (4) (b) What can you tell about the directions of the current in the two wires? (1)

Two wires are parallel, with one directly above the other, 9 cm apart. Each wire has a weight per unit length of 1.00 x 10-4 N/m. Assume the wires carry currents that are equal in magnitude. (a) Find the current in the wires if the upper wire is floating (balanced) above the lower wire. (4) (b) What can you tell about the directions of the current in the two wires? (1)

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter12: Sources Of Magnetic Fields

Section: Chapter Questions

Problem 32P: Two long, parallel wires are hung by cords of length 5.0 cm, as shown in the accompanying figure....

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