November 27, 2015

Homework Help: Physics

Posted by Anonymous on Thursday, March 7, 2013 at 9:37pm.

During a 74-ms interval, a change in the current in a primary coil occurs. This change leads to the appearance of a 4.6-mA current in a nearby secondary coil. The secondary coil is part of a circuit in which the resistance is 12 . The mutual inductance between the two coils is 3.2 mH. What is the change in the primary current?

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