ch30-p074 - 74. (a) The flux in coil 1 is L1i1 ( 25mH ) (...

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74. (a) The flux in coil 1 is ( )( ) 11 1 25mH 6.0mA 1.5 Wb. 100 Li N µ == (b) The magnitude of the self-induced emf is () 2 1 1 25mH 4.0 A s 1.0 10 mV. di L dt × (c) In coil 2, we find
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