# A 3.04 m -long coil containing 225 loops is wound on an iron core (average ?=1850?0)...

###### Question:

A 3.04 m -long coil containing 225 loops is wound on an iron core (average ?=1850?0) along with a second coil of 115 loops. The loops of each coil have a radius of 2.60 cm . If the current in the first coil drops uniformly from 13.0 A to zero in 99.0 ms .

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