A wire of length l is formed into a circ...

A wire of length l is formed into a circular loop of one turn only and is suspended in a magnetic field B. When a current i is passed through the loop, the maximum torque experienced by it is

`(1/(4pi))BIl^2`

`(1/(4pi))BI^2l`

`(1/(4pi))BIl`

`(1/(4pi))B^2Il`

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