The following data are for a transformer steel:
H (A/m) | B (teslas) | H (A/m) | B (teslas) |
0 | 0 | 200 | 1.04 |
10 | 0.03 | 400 | 1.28 |
20 | 0.07 | 600 | 1.36 |
50 | 0.23 | 800 | 1.39 |
100 | 0.70 | 1000 | 1.41 |
150 | 0.92 |
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(a) Construct a graph of B versus H.
(b) What are the values of the initial permeability and initial relative permeability?
(c) What is the value of the maximum permeability?
(d) At about what H field does this maximum permeability occur?
(e) To what magnetic susceptibility does this maximum permeability correspond?
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