Consider a straight wire AB carrying a current i from B to A

Last updated: 6/2/2023

Consider a straight wire AB carrying a current i from B to A Consider a small segment of this wire which subtends a small angle de in degrees at the point P as shown in the figure The magnetic field produced by this small segment at the point P is current i is in ampere a is in metres and the angles in degrees Ricos0d0 720a Hisin Ode A B Risin 0 do 4 Hisin Ode B de a