Two coils are at fixed locations. When coil 1 has no current and the current in coil 2 increases at the rate 17.2 A/s, the emf in coil 1 is 27.7 mV. (a) What is their mutual inductance? (b) When coil 2 has no current and coil 1 has a current of 5.40 A, what is the flux linkage in coil 2?
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