Answer to Question #252005 in Electricity and Magnetism for Sony

Question #252005

For Nickel, the number density is 8à ƒ —1023 atoms/cm3 and the electronic configuration is 1s2 2s2 2p6 3s2 3p6 3d8 4s2. The value of saturation magnetisation of Nickel in its ferromagnetic states is : (use à Ž ¼B= 9.21à ƒ —10à ¢ ˆ ’21 Am2)


a. 3.87à ƒ —108A/m


b. 4.97à ƒ —108A/m


c. 4.87à ƒ —109A/m


d. 3.97à ƒ —109A/


1
Expert's answer
2021-10-18T11:12:51-0400

The saturation magnetization is


Ms=0.6μBN,Ms=0.6(9.21×1021)(8×1029),Ms=4.42109 A/m.M_s=0.6\mu_BN,\\ M_s=0.6(9.21×10^{−21})(8×10^{29}),\\ M_s=4.42·10^9\text{ A/m}.


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