problem30_12

problem30_12 - 12 LI = (12.0 H) (0.300 A) 2 / 2 = 0.540 J....

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30.12: a) J. 540 . 0 2 / A) (0.300 H) 0 . 12 ( 2 1 2 2 = = = LI U b) W. 2 . 16 ) 180 ( A) 300 . 0 ( 2 2 = = = R I P c) No. Magnetic energy and thermal energy are independent. As long as the current is
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