In Fig. 30-39, a 120-turn coil of radius 1.8 cm and resistance 5.3 立 is coaxial with a solenoid of 220 turns/cm and diameter 3.2 cm. The solenoid current drops from 1.5 A to zero in time interval ?t = 25 ms. What current is induced in the coil during ?t?
Fig. 30-39
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