Due to the flow of current in a circular...

Due to the flow of current in a circular loop of radius `R`, the magnetic induction produced at the centre of the loop is `B`. The magnetic moment of the loop is (`mu_(0)`=permeability constant)

`(BR^(3))/(2pimu_(0))`

`(2piBR^(3))/(mu_(0))`

`(BR^(2))/(2pimu_(0))`

`(2piBR^(2))/(mu_(0))`

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