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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