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11.5 Exercise 8

Avg difficulty 2.5

A proton has a magnetic field due to its spin. The field is similar to that created by a circular current loop 0.65×10−15m0.65 \times 10^{−15} \text{m} in radius with a current of 1.05×104A.1.05 \times 10^{4} \text{A} . Find the maximum torque on a proton in a 2.50-T field. (This is a significant torque on a small particle.)

OpenStax University Physics Volume 2, 11.5 Force and Torque on a Current Loop, exercise 8

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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.