A magnetic field is directed perpendicular to the plane of the 0.15-m × 0.30-m rectangular coil comprised of 120 loops of wire. To induce an average emf of −1.2 V in the coil, the magnetic field is increased from 0.1 T to 1.5 T during a time interval Δt. Determine Δt

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Q: X X X a b V B

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