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A very long, straight solenoid with a cross-sectional area of 6.00 is wound with 40.0 turns of wire per centimeter, and the windings carry a current of 0.250. A secondary winding of 2.00 turns encircles the solenoid at its center. When the primary circuit is opened, the magnetic field of the solenoid becomes zero in 5.00×10-2 .

What is the average induced emf in the secondary coil?

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  • Category:- Physics
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