Question
Describe how the magnetic domains in an unmagnetized iron rod will respond to the presence of a strong external magnetic field.
- The domains will split into monopoles.
- The domains will tend to align with the external field.
- The domains will tend to orient themselves perpendicular to the external field.
- The domains will tend to align so as to cancel out the external field.
Final Answer
(b)
Solution video
OpenStax College Physics for AP® Courses, Chapter 22, Problem 3 (Test Prep for AP® Courses)
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Video Transcript
This is College Physics Answers with Shaun Dychko. Because iron is ferro-magnetic, it has magnetic domains that will align with this external field that's applied.