A straight wire of infinite length having current starting

Last updated: 6/12/2023

A straight wire of infinite length having current starting point at O as shown in figure The magnetic field at point P will be up to 1 2 3 4 i Mo 4 r Mo i 4 r r 1 sine inward Mo i 4 r 1 cos 0 inward 1 sin0 outward Mo 1 cose outward Ar P