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A long, straight solenoid with a cross-sectional area of 12.00 cm2 is wound with 80 turns...

A long, straight solenoid with a cross-sectional area of 12.00 cm2 is wound with 80 turns of wire per centimeter, and the windings carry a current of 0.16 A. A second winding of 10 turns encircles the solenoid at its center. The current in the solenoid is turned off such that the magnetic field of the solenoid becomes zero in 0.08 s. What is the average induced electromotive force (emf) in the second winding? ( ??=?? ? ??−??.?/? ) (?=?.??)

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