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1. |
If the number of atoms in the domain in ferromagnetic iron, in the form of a cube of side length 1μm, is 8.65 X 1010 atoms and dipole moment of each iron atom is 9.27 X 10-24 Am2, what is the maximum Magnetization of the domain? |
A. | 6 X 105 A/m |
B. | 7 X 105 A/m |
C. | 8 X 105 A/m |
D. | 9 X 105 A/m |
Answer» D. | |