Two coils of self-inductances L₁ and L₂ have mutual inductance M. For the current directions shown in the original figure, the induced emf in coil 1 is:
Physics · Electromagnetic Induction · Mutual induction and L-C oscillations,transformer
Two coils of self-inductances L₁ and L₂ have mutual inductance M. For the current directions shown in the original figure, the induced emf in coil 1 is:

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