The Bohr magneton is a natural unit for measuring the magnetic moment of an atom. Calculatethemagnetic moment per atom, in Bohr magneton units, for iron, nickel, and cobalt, under conditions ofsaturation magnetization. Use the data in Table 3.2. MaterialComposition(%)НоМ. (Т) Н. (А/m)Кm (max.)Elements:Iron(annealed)Cobalt1.6 х 1057.0 x 1055.5 x 105H. (A/m)2.155,5001.79Nickel0.61Alloys and CompoundsIron-Silicon96FE, 4Si1.97568,00055FE, 45NI5Cu, 2Cr, 77NI, 16FE50C0,50FE,MnFe204NiFe204PermalloyMumetal1.605.650,0000.751.2100,0005,0002,500Permendur2.451590.490.32Mn ferriteNi ferrite2,500B, (T)19 x 10352 x 1033.4 x 1056.7 x 1051.2 x 106Cobalt Steel52Fe, 36Co,4W, 6Cт, 0.8C 0.97Alnico51FE,8Al, 14Nİ,24C0,3Cu1.25Platinum-cobalt77PT, 23C00.60Samarium-cobaltSm Co0.84Neodymium-iron13Nd, 81FE,6B0.80Table 3.2: Properties of Ferromagnetic materials at Room temperature

Given : The saturation external magnetic for iron Hs = 1.6 x 105 A/m The saturation external…

The Bohr magneton is a natural unit for measuring the magnetic moment of an atom. Calculatethe magnetic moment per atom, in Bohr magneton units, for iron, nickel, and cobalt, under conditions of saturation magnetization. Use the data in Table 3.2.

The Bohr magneton is a natural unit for measuring the magnetic moment of an atom. Calculatethe magnetic moment per atom, in Bohr magneton units, for iron, nickel, and cobalt, under conditions of saturation magnetization. Use the data in Table 3.2.

University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter6: Photons And Matter Waves

Section: Chapter Questions

Problem 64P: What is the longest wavelength of radiation that can eject a hotoelectron from potassium, given the...

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Concept explainers

Magnetic Field Of Coaxial Cable

The word coaxial means same axis. So for a long straight cable to be coaxial, it must have concentric cylindrical shaped conductor around it. Coaxial cable (popularly called ‘coax’) has various applications ranging from current conductors to radiofrequency signal transmitters. This cable has lower emission losses and provides protection from electromagnetic interference which allows signals with less power to transmit over longer distances.For example, currents produced in the pickup of a stereo turntable generally travel to the amplifier through a coaxial cable.The self-inductance of a coaxial cable is another important characteristic, because it influences the propagation of electrical signals in the cable.

Question

The Bohr magneton is a natural unit for measuring the magnetic moment of an atom. Calculatethe
magnetic moment per atom, in Bohr magneton units, for iron, nickel, and cobalt, under conditions of
saturation magnetization. Use the data in Table 3.2.

Material
Composition(%)
НоМ. (Т) Н. (А/m)
Кm (max.)
Elements:
Iron(annealed)
Cobalt
1.6 х 105
7.0 x 105
5.5 x 105
H. (A/m)
2.15
5,500
1.79
Nickel
0.61
Alloys and Compounds
Iron-Silicon
96FE, 4Si
1.97
56
8,000
55FE, 45NI
5Cu, 2Cr, 77NI, 16FE
50C0,50FE,
MnFe204
NiFe204
Permalloy
Mumetal
1.60
5.6
50,000
0.75
1.2
100,000
5,000
2,500
Permendur
2.45
159
0.49
0.32
Mn ferrite
Ni ferrite
2,500
B, (T)
19 x 103
52 x 103
3.4 x 105
6.7 x 105
1.2 x 106
Cobalt Steel
52Fe, 36Co,4W, 6Cт, 0.8C 0.97
Alnico
51FE,8Al, 14Nİ,24C0,3Cu
1.25
Platinum-cobalt
77PT, 23C0
0.60
Samarium-cobalt
Sm Co
0.84
Neodymium-iron
13Nd, 81FE,6B
0.80
Table 3.2: Properties of Ferromagnetic materials at Room temperature

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