Two Long Parallel Wires That Are 0

Multiple Choice

Two long parallel wires that are 0.30 m apart carry currents of 5.0 A and 8.0 A in the opposite direction.Find the magnitude of the force per unit length that each wire exerts on the other wire and indicate if the force is attractive or repulsive.(μ₀ = 4π × 10^-7 T ∙ m/A)

A) 2.7 × 10^-5 N repulsive
B) 7.2 × 10^-5 N repulsive
C) 3.4 × 10^-5 N attractive
D) 2.7 × 10^-5 N attractive
E) 7.2 × 10^-5 N attractive