University Physics with Modern Physics (14th Edition)

Published by Pearson
ISBN 10: 0321973615
ISBN 13: 978-0-32197-361-0

Chapter 28 - Sources of Magnetic Field - Problems - Discussion Questions - Page 947: Q28.19


See explanation.

Work Step by Step

More random thermal motion takes place at higher temperatures, which inhibits the alignment of the atoms’ magnetic moments. If the moments don’t align as well with an external applied field, this reduces the magnetization of the paramagnetic material, and the permeability, and the susceptibility. A diamagnetic material has no net magnetic moment and its diamagnetic properties do not rely on the orientation of any permanent atomic dipoles. The negative magnetic susceptibility is largely unaffected by temperature.
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