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Tardigrade
Question
Physics
The magnetic field B and the magnetic intensity H in a material are found to be 1.6 T and 1000 A / m respectively. Calculate the relative permeability μ r and the susceptibility chi of material.
Q. The magnetic field
B
and the magnetic intensity
H
in a material are found to be
1.6
T
and
1000
A
/
m
respectively. Calculate the relative permeability
μ
r
and the susceptibility
χ
of material.
1933
185
Magnetism and Matter
Report Error
A
1.3
×
1
0
−
3
each
23%
B
1.3
×
1
0
3
each
63%
C
3.1
×
1
0
−
3
each
6%
D
3.1
×
1
0
3
each
9%
Solution:
μ
=
H
B
=
1000
1.6
=
1.6
×
1
0
−
3
T
m
A
−
1
μ
r
=
μ
o
μ
=
4
π
×
1
0
−
7
1.6
×
1
0
−
3
=
4
×
3.14
×
1
0
−
7
1.6
×
1
0
−
3
=
0.127
×
1
0
4
=
1.3
×
1
0
3
χ
m
⇒
μ
r
−
1
≈
1.3
×
1
0
3
μ
r
=
1.3
×
1
0
3