A straight wire of length 90 cm carrying a current of 3 A is bent in the form of an equilateral triangular loop and is placed in a uniform magnetic field of 8 \times 10^{-4} {\T} such that the plane of the loop makes an angle of 30^{\circ} with the direction of the magnetic field. The torque acting on the triangular loop is

Correct Answer is : 81×10−6Nm

81 \sqrt{3} \times 10^{-6} {\Nm}

27 \sqrt{3} \times 10^{-6} {\Nm}

TG EAMCET 30 Apr 2025 Shift 1 Paper

Question : 109 of 160

Marks: +1, -0

A straight wire of length 90 cm carrying a current of 3 A is bent in the form of an equilateral triangular loop and is placed in a uniform magnetic field of 8×10−4T such that the plane of the loop makes an angle of 30∘ with the direction of the magnetic field. The torque acting on the triangular loop is

81√3×10−6‌Nm
27×10−6‌Nm
27√3×10−6‌Nm
81×10−6‌Nm

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