P31_041 - . 0 A to zero in 40 ms.

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41. Since E = L ( di/dt ), we may obtain the desired induced emf by setting di dt = E L = 60 V 12 H = 5 . 0A / s . We might, for example, uniformly reduce the current from 2
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Unformatted text preview: . 0 A to zero in 40 ms....
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