The magnetic flux that passes through one tum of a 12-loop coil of wire changes to -40.0W, from 9.0W, in a time of 0.050s. The

Question

The magnetic flux that passes through one tum of a 12-loop coil of wire changes to -40.0W, from 9.0W, in a time of 0.050s. The average induced current in the coil is 230A What is the resistance of the wire? Find the induced emf when the current in a 45.0mH inductor increases from zero to 515mA in 16.5ms.

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