Two coils have a mutual inductance M 0.0311 H, while the first coil has self- inductance L₁ 0.0251 H. If the current through the first coil is changing at a rate di / dt = 2.32 A/s and the current through the second coil is changing at a rate di₂ / dt = : 4.09 A/s, what is the magnitude of =
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