Two long, parallel conductors carry currents of 20 A and 30 A in the same direction.…
PHYSICS · Subjective · CBSE · Physics · Moving Charges and Magnetism · Moving Charges and Magnetism
Problem
Two long, parallel conductors carry currents of 20 A and 30 A in the same direction. What should be the separation between them so that the magnitude of the force per unit length on either wire is 4.0×10−5Nm−1?