A wire of length l is bent in the form a circular coil of some turns. A current I flows through the coil. The coil is placed in a uniform magnetic field B. The maximum torqur on the coil can be
A. `(IBL^(2))/(4pi)`
B. `(IBL^(2))/(pi)`
C. `(IBL^(2))/(2pi)`
D. `(2IBL^(2))/(pi)`