Question

20.19 The following data are for a plain carbon steel
alloy
H (A/m)
B (resla)
H (A/m)
80
0
0
B (tesla)
0.90
1.14
15
0.007
100
30
0.033
150
1.34
50
0.10
200
1.41
0.30
300
1.48
70
0.63
(a) Construct a graph of B versus H.
(b) What are the values of the initial permeabil-
ity and initial relative permeability?
(c) What is the value of the maximum perme-
ability?
(d) At about what H field does this maximum
permeability occur?
(e) To what magnetic susceptibility does this
maximum permeability correspond?​

Answer 1

Answer:

what is this, i don't understand