Three long parallel wires each carry 2.0-A currents in the same direction.The wires are oriented vertically,and they pass through three of the corners of a horizontal square of side 4.0 cm.What is the magnitude of the magnetic field at the fourth (unoccupied)corner of the square due to these wires? (μ₀ = 4π × 10^-7 T ∙ m/A) A)1.2 µT B)2.1 µT C)12 µT D)21 µT E)0 T

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The Answer of Three long parallel wires each carry 2.0-A currents in the same direction.The wires are oriented vertically,and they pass through three of the corners of a horizontal square of side 4.0 cm.What is the magnitude of the magnetic field at the fourth (unoccupied)corner of the square due to these wires? (μ₀ = 4π × 10^-7 T ∙ m/A) A)1.2 µT B)2.1 µT C)12 µT D)21 µT E)0 T

Three Long Parallel Wires Each Carry 2