As shown in the figure, a current of 2A flowing in an equilateral triangle of side 43cm . The magnetic field at the centroid O of the triangle is :
(Neglect the effect of earth’s magnetic field)
Held on 30 Jan 2023 · Verified 6 Jul 2026.
43×10−4T
43×10−5T
3×10−4T
33×10−5T
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