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Two coils are at fixed locations. When coil 1 has no current and the current in coil 2 increases at the rate 18.1 A/s, the emf in coil 1 is 25.6 mV. (a) What is their mutual inductance? (b) When coil 2 has no current and coil 1 has a current of 6.10 A, what is the flux linkage in coil 2?

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