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# Mathcad - 04-10 - = Since B = µ Η µ ci B ci H ci:= H ci...

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Problem 4-10: Solution Find the relative permeability of: a. Sheet steel at 1.0 T b. Cast steel at 0.6 T c. Cast Iron at 0.2 T µ o 4 π 10 7 weber amp m := 0 0.2 0.4 0.6 0.8 1 1.2 1.4 600 800 1000 Cast Iron Cast Steel Sheet Steel H in At/m 0 200 400 a. B ss 1.0 T := from the graph we can read the field intensity H ss 490 amp m := µ ss B ss H ss := Since B = µ Η µ ss 2.041 10 3 × weber amp m = µ rss µ ss µ o := µ rss 1.624 10 3 × =

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µ rci 397.887 = µ rci µ ci µ o := µ ci 5 10 4 × weber amp m
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Unformatted text preview: = Since B = µ Η µ ci B ci H ci := H ci 400 amp m ⋅ := from the graph we can read the field intensity B ci 0.2 T ⋅ := c. for the cast iron µ rcs 1.194 10 3 × = µ rcs µ cs µ o := µ cs 1.5 10 3 − × weber amp m ⋅ = Since B = µ Η µ cs B cs H cs := H cs 400 amp m ⋅ := from the graph we can read the field intensity B cs 0.6 T ⋅ := b. for the cast steel:...
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Mathcad - 04-10 - = Since B = µ Η µ ci B ci H ci:= H ci...

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