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In the figure a 140-turn coil of radius 5.00 cm and resistance 2.00 Ω is placed...

In the figure a 140-turn coil of radius 5.00 cm and resistance 2.00 Ω is placed around a smaller diameter solenoid (d = 3.20 cm). The long solenoid in the figure has 240 turns per centimeter and carries a current of 1.60 A.


The current in the solenoid is reduced to zero and then increased to -1.60 A in a time of 4.00×10-2s. What is the magnitude of the induced current in the outer coil while the solenoid current is being changed?
(in A)

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