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A small square loop of wire of side l is...

A small square loop of wire of side l is placed inside a large square loop of wire of side L(`L gt gt l`). The loop are coplanar 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)`

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