A circular metal loop of radius 10 cm and three long straight wires carry currents of $I _ { 1 } = 20 \mathrm {~A}$ $I _ { 2 } = 50 \mathrm {~A}$ $I _ { 3 } = 20 \mathrm {~A}$ and $I _ { 4 } = 40 \mathrm {~A}$ as shown in the figure. Each of the straight wires is 20 cm from the center of the loop. The axes are shown in the figure, with the +z-axis coming out of the paper. What is the y component of the resultant magnetic field at the center of the loop? (μ₀ = 4π × 10^-7 T ∙ m/A) A) -54 μT B) -60 μT C) -50 μT D) +60 μT E) +50 μT

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The Answer of A circular metal loop of radius 10 cm and three long straight wires carry currents of $I _ { 1 } = 20 \mathrm {~A}$ $I _ { 2 } = 50 \mathrm {~A}$ $I _ { 3 } = 20 \mathrm {~A}$ and $I _ { 4 } = 40 \mathrm {~A}$ as shown in the figure. Each of the straight wires is 20 cm from the center of the loop. The axes are shown in the figure, with the +z-axis coming out of the paper. What is the y component of the resultant magnetic field at the center of the loop? (μ₀ = 4π × 10^-7 T ∙ m/A) A) -54 μT B) -60 μT C) -50 μT D) +60 μT E) +50 μT

A Circular Metal Loop of Radius 10 Cm and Three I1=20 AI _ { 1 } = 20 \mathrm {~A}I1​=20 A

A Circular Metal Loop of Radius 10 Cm and Three $I _ { 1 } = 20 \mathrm {~A}$