Moving Charges And Magnetism

An element \(d l=d x \hat{\mathbf{i}}\) (where, \(d x=1 \mathrm{~cm}\) ) is placed at the origin and carries a large current \(i=10 \mathrm{~A}\). What is the magnetic field on the \(Y\)-axis at a distance of \(0.5 \mathrm{~m}\) ?