Question: When the current in one coil changes at a rate of 2.1 A/s, an emf of 7.2 mV is induced in a second, nearby coil.

When the current in one coil changes at a rate of 2.1 A/s, an emf of 7.2 mV is induced in a second, nearby coil. What is the mutual inductance of the two coils?

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