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Unformatted text preview: 40. (a) Speaking anthropomorphically, the coil wants to ﬁght the changes – so if it wants to push current
rightward (when the current is already going rightward) then i must be in the process of decreasing.
(b) From Eq. 31-37 (in absolute value) we get
L= 17 V
= 6.8 × 10−4 H .
2.5 kA/s ...
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