Engineering Electromagnetics
Engineering Electromagnetics
9th Edition
ISBN: 9780078028151
Author: Hayt, William H. (william Hart), Jr, BUCK, John A.
Publisher: Mcgraw-hill Education,
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Chapter 8, Problem 8.20P

Find H in a material where (a) fir = 4.2, there are 2.7 * 1029 atoms/m3 and each atom has a dipole moment of 2.6 x 10-30ay A. m2; (b) M = 270az A/m and // = 2 /;H/m; (c) ^M = 0.7 and B = 2a7 T. (d) Find M in a material where bound surface current densities of 12az A/m and -9az A/m exist at P = 0.3 m and 0.4 m, respectively.

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