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Back to 22.5 Force on a Moving Charge in a Magnetic Field: Examples and Applications

22.5 Exercise 1

Avg difficulty 2.5

A wire oriented north-south carries current south. The wire is immersed in the Earth’s magnetic field, which is also oriented north-south (with a horizontal component pointing north). The Earth’s magnetic field also has a vertical component pointing down. What is the direction of the magnetic force felt by the wire?

  1. West
  2. East
  3. Up
  4. North

OpenStax College Physics 2e, 22.5 Force on a Moving Charge in a Magnetic Field: Examples and Applications, exercise 1

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Adapted from College Physics © 2022 Rice University. Licensed under CC BY 4.0. Sources: College Physics 2e, College Physics for AP® Courses 2e. Imported at revision f98d7a7.