Mutual inductance and magnetic feild

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SUMMARY

The discussion centers on the concept of mutual inductance between two perpendicular coils, specifically addressing the induced electromotive force (emf) in one coil due to the changing current in another. The relationship is defined by the equation emfB = - MABdIa/dt, where MAB represents the mutual inductance between the coils. Participants noted that the schematic diagram provided does not accurately depict the physical arrangement of the inductors, which can lead to misunderstandings regarding their interaction.

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abdullah khaled
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hi,
in this problem here
66meM1E.png

66meM1E

there's 2 perpendicular coils but in solution there's an effect of mutual inductance
MLSofTG.png

MLSofTG

why?
 

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The effect of inductor A on inductor B is to induce a emf in B and is due to the time rate of change of the current that is flowing in A and the mutual inductance..
i.e. emfB = - MABdIa/dt
 
Apparently the schematic diagram does not represent the physical layout of the inductors. It's misleading in that respect.
 
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