A triangular loop of side \( l \) carries a current \( I \). It is placed in a magnetic field \(...

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A triangular loop of side \( l \) carries a current \( I \). It is placed in a magnetic field \( B \) such that the plane of the loop is in the direction of \( B \). The torque on the loop is
(A) Zero
(B) \( I B l \)
(C) \( \frac{\sqrt{3}}{2} l^{2} B^{2} \)
(D) \( \frac{\sqrt{3}}{4} I B l^{2} \)
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