A thin circular wire carrying a current `I` has a magnetic moment `M`. The shape of the wire is changed to a square and it carri

A thin circular wire carrying a current `I` has a magnetic moment `M`. The shape of the wire is changed to a square and it carries the same current. It will have a magnetic moment
A. `M`
B. `4/(pi^(2))M`
C. `4/(pi)M`
D. `(pi)/4M`

A thin circular wire carrying a current `I` has a magnetic moment `M`. The shape of the wire is changed to a square and it carries the same current. I

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