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Two concentric circular coils of wire lie in a plane. The larger coil has 38 turns and a radius of a = 8.60 cm. The smaller coil has 42 turns and a radius of b = 0.50 cm. The current in the larger coil has a time dependence as shown in the figure.

What is the magnitude of the EMF induced in the small coil at t = 2, t = 5 and t = 8?

a
4
(5A )e^[-(t-6s Y(2s)]
4(t)
2
(A)
1 2 3 4 5
6
Time (s)
3.
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Transcribed Image Text:a 4 (5A )e^[-(t-6s Y(2s)] 4(t) 2 (A) 1 2 3 4 5 6 Time (s) 3.
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