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A metal wire of length ' $\mathrm{L}$ ' is bent to form a circular coil of number of turns 'n'. The coil is placed in magnetic field 'B' and current is passed through the coil. The maximum torque acting on the coil is

PhysicsRotational MotionMHT CETMHT CET 2020 (15 Oct Shift 2)

Options:

A $\frac{\mathrm{BIL}^{2}}{4 \pi \mathrm{n}}$
B $\frac{\mathrm{BIL}^{2}}{2 \pi \mathrm{n}}$
C $\frac{\mathrm{B}^{2} \mathrm{IL}}{2 \pi \mathrm{n}}$
D $\frac{\mathrm{B}^{2} \mathrm{IL}}{4 \pi \mathrm{n}}$

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