Two coaxial circular coils of radius R = 15 cm, each carrying 4.0 A in the same direction, are positioned a distance d = 20 cm apart, as shown in the figure. Calculate the magnitude of the magnetic field halfway between the coils along the line connecting their centers. (μ₀ = 4π × 10^-7 T ∙ m/A) A) 0.90 × 10^-5 T B) 3.9 × 10^-5 T C) 1.9 × 10^-5 T D) 6.3 × 10^-5 T E) 9.2 × 10^-5 T

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The Answer of Two coaxial circular coils of radius R = 15 cm, each carrying 4.0 A in the same direction, are positioned a distance d = 20 cm apart, as shown in the figure. Calculate the magnitude of the magnetic field halfway between the coils along the line connecting their centers. (μ₀ = 4π × 10^-7 T ∙ m/A) A) 0.90 × 10^-5 T B) 3.9 × 10^-5 T C) 1.9 × 10^-5 T D) 6.3 × 10^-5 T E) 9.2 × 10^-5 T

Two Coaxial Circular Coils of Radius R = 15 Cm