calculate the force per unit length acting between two parallel wires of infinite extent seperated by a distance 2cm each carrying current of 4 amperes? Share with your friends Share 1 Vaibhav T. answered this Dear Student, distance, d=2 cm=0.02 mI1=4 AI2= 4 AFl=μ0I1I22πdFl=4π×10-7×4×42π×0.02=1.6×10-4 N/m 1 View Full Answer