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You have two cylindrical solenoids, one inside the other, with the two cylinders concentric. The outer...

You have two cylindrical solenoids, one inside the other, with the two cylinders concentric. The outer solenoid has length ℓouter = 400 mm, radius Router = 50 mm, and Nouter = 2000 windings. The inner solenoid has length ℓinner = 40 mm, radius Rinner = 20 mm, and Ninner = 160 windings. The inner solenoid is centered within the outer solenoid.

When the outer solenoid carries a current given by I(t)=I0sin(ωt), with I0 = 600 mA and ω = 100 s−1, what is the peak emf in the inner solenoid?

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