62 Two straight infinitely long current are kept along Z

Last updated: 6/7/2023

62 Two straight infinitely long current are kept along Z axis at the coordinates 0 a 0 and 0 a 0 respectively as shown in the figure The current in each of the wire is equal and along negative Z axis into the plane of the paper Y a c B a The variation of magnetic field on the X axis will b approximately B X a X 8 Z b B B X