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A small square loop of wire l is placed inside a square loop of wire of side L(L>>l).The loops are co-planer and their centres coincide.The mutual inductance of the system is proportional to A)l/L B)L 2 /l C)L/l D) l 2 /L please give me the complete and simple explanation to this answer...

A small square loop of wire l is placed inside a square loop of wire of side L(L>>l).The loops are co-planer and their centres coincide.The mutual inductance of the system is proportional to


A)l/L


B)L2 /l


C)L/l


D) l2 /L


please give me the complete and simple explanation to this answer...

Grade:11

1 Answers

Arun Kumar IIT Delhi
askIITians Faculty 256 Points
8 years ago
So we can put current on any of the conductor.
We put I on bigger loop because on small loop its effect will be almost constant (since l<<L).

Now its easier to solve this.




Thanks & Regards
Arun Kumar
IIT Delhi
Askiitians Faculty

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