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A current flows in a conducting wire of ...

A current flows in a conducting wire of length L. If we bend it in a circular form, its magnetic dipole moment would be .......

A

`(I^2 L )/( 4 pi )`

B

` (I^2 L^2)/(4 pi)`

C

` (IL^2)/(4 pi)`

D

`(IL)/(4 pi)`

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