An element Δℓ = Δxî is placed at the origin and carries a large current I = 10A. The magnetic field on the y-axis at a distance of 0.5 m from the elements Δx of 1 cm length is :
1
4 × 10-8 T
2
8 × 10-8 T
3
12 × 10-8 T
4
10 × 10-8 T
An element Δℓ = Δxî is placed at the origin and carries a large current I = 10A. The magnetic field on the y-axis at a distance of 0.5 m from the elements Δx of 1 cm length is :