A domain in ferromagnetic iron is in the form of a cube of side length 1µm. The maximum possible dipole moment is:

[The molecular mass of iron is 55 g/mole and its density is 7.9 g/cm3. Assume that each iron atom has a dipole moment of 9.27×10–24 A m2] 

1. 8.0×10-13 A m22. 8.0×10-12 A m23. 7.0×10-13 A m24. 7.0×10-12 A m2

Subtopic:  Magnetic Materials |
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A domain in ferromagnetic iron is in the form of a cube of side length 1µm. The magnetisation of the domain is:

[The molecular mass of iron is 55 g/mole and its density is 7.9 g/cm3. Assume that each iron atom has a dipole moment of 9.27×10–24 A m2] 

1. 9.0×105 Am-12. 8.0×105 Am-13. 11×105 Am-14. 3.0×105 Am-1

Subtopic:  Magnetic Materials |
To view explanation, please take trial in the course below.
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