As shown in the figure, a current of 2 A flows in an equilateral triangle of side 4√3 cm. The magnetic field at the centroid O of the triangle is: [Neglect Earth’s magnetic field.]
Physics · Magnetic effect of current · Biot-Savart Law and Magnetic Field Due to Straight Wires, Circular Arcs and Loops
As shown in the figure, a current of 2 A flows in an equilateral triangle of side 4√3 cm. The magnetic field at the centroid O of the triangle is: [Neglect Earth’s magnetic field.]

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