Two concentric circular coils of wire lie in a plane. The larger coil has 78 turns and a radius of a = 9.6 cm. The smaller coil has 90 turns and a radius of b = 0.35 cm. The current in the larger coil has a time dependence as show in the figure. ₁ (t) (A) 5 4 2 1 EMF MoreEMF a 1 2 3 4 5 6 7 Even MoreEMF (5A)e ^[-(t-6s)(2S)] Approximately what is the magnitude of the EMF induced in the small coil at t = 2 s? Note that on the graph of current versus time, the two ends of the diagonal part of the graph are at (0, 0) and (3, 5). em f1= 8 9 Time (s) Approximately what is the magnitude of the EMF induced in the small coil at t = 5 s? em f2= Approximately what is the magnitude of the EMF induced in the small coil at t = 8 s? Note that the "A" in the equation for that part of the graph is a unit (amps), not area. em f3=

Two concentric circular coils of wire lie in a plane. The larger coil has 78 turns and a radius of a = 9.6 cm. The smaller coil has 90 turns and a radius of b = 0.35 cm. The current in the larger coil has a time dependence as show in the figure. ₁ (t) (A) 5 4 2 1 EMF MoreEMF a 1 2 3 4 5 6 7 Even MoreEMF (5A)e ^[-(t-6s)(2S)] Approximately what is the magnitude of the EMF induced in the small coil at t = 2 s? Note that on the graph of current versus time, the two ends of the diagonal part of the graph are at (0, 0) and (3, 5). em f1= 8 9 Time (s) Approximately what is the magnitude of the EMF induced in the small coil at t = 5 s? em f2= Approximately what is the magnitude of the EMF induced in the small coil at t = 8 s? Note that the "A" in the equation for that part of the graph is a unit (amps), not area. em f3=