NEET PhysicsClass 12Biot–Savart lawMediumSingle correct

A wire carrying 4.0 A is bent into a quarter-circle arc of radius 10 cm, with straight leads running radially in and out of the arc's centre. What is the magnetic field at the centre of the arc? (μ₀ = 4π × 10⁻⁷ T m A⁻¹)

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A wire carrying 4.0 A is bent into a quarter-circle arc of radius 10 cm, with straight leads running radially in and out of the arc's centre. What is the magnetic field at the centre of the arc? (μ₀ = 4π × 10⁻⁷ T m A⁻¹)

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