Two longparallel wires carry currents I and I2 11 12 When

Last updated: 6/26/2023

Two longparallel wires carry currents I and I2 11 12 When the currents are in the same direction the magnetic field at a point midway between the wires is 10ur If the direction of 12 is reversed the field becomes 40 T The ratio 11 12 is 1 5 2 2 5 3 3 4 3 4 3 2