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Back to 12.3 Magnetic Force between Two Parallel Currents

12.3 Exercise 1

Avg difficulty 2.5

Two wires, both carrying current out of the page, have a current of magnitude 2.0 mA and 3.0 mA, respectively. The first wire is located at (0.0 cm, 5.0 cm) while the other wire is located at (12.0 cm, 0.0 cm). What is the magnitude of the magnetic force per unit length of the first wire on the second and the second wire on the first?

OpenStax University Physics Volume 2, 12.3 Magnetic Force between Two Parallel Currents, exercise 1

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Adapted from University Physics Volume 2 © 2016 Rice University. Licensed under CC BY 4.0. Source: University Physics Volume 2. Imported at revision db44eb9.