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One solenoid is centered inside another. The outer one has a length of 47.0cm and contains 6600 coils, while the coaxial inner solenoid is 3.00cm long and 0.160 in diameter and contains 17.0cm coils. The current in the outer solenoid is changing at 35.5A/s. What is the mutual inductance of these solenoids? and Find the emf induced in the inner solenoid.

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