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The conducting circular loops of radii `R_(1) and R_(2)` are placed in the same plane with their centres coinciding. If `R_(1) gt gt R_(2)`, the mutual inductance M between them will be directly proportional to

A

`(R_(1))/(R_(2))`

B

`(R_(2))/(R_(1))`

C

`(R_(1)^(2))/(R_(2))`

D

`(R_(2)^(2))/(R_(1))`

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The correct Answer is:
D
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