problem29_27 - 29.27 E d dt B 2 r d BA dt 0 nA dI 2 r dt a...

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29.27: = = = = Φ = ε μ μ ε l d E dt dI nA nIA dt d BA dt d dt d B and ) ( ) ( 0 0 . 2 2 2 0 0 dt dI nr dt dI r nA r E μ π μ π ε = = = a) . m V 10 70 . 1 ) s A 60 ( 2 ) m 0050 . 0 )( m 900 ( cm 50 . 0 4 1 0 - - × = = = μ E
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