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Two coils have mutual inductance M = 3.2...

Two coils have mutual inductance `M = 3.25 xx 10^4H`. The current `i_1` in the ffrst coil increases at a uniform rate of `830 A //s`.
(a) What is the magnitude of the induced emf in the second coil? Is it constant?
(b) Suppose that the current described is in the second coil rather than the first. What is the induced emf in the first coil?

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