Two parallel long wires carry currents it and 12 with i i2

Last updated: 6/14/2023

Two parallel long wires carry currents it and 12 with i i2 When the currents are in same direction the magnetic field at a point midway between the wires is 40 T If the direction of it is reversed the field becomes 60 T The ratio iia is 1 1 6 3 5 1 2 1 5 4 6 1