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

(?0 = 4? × 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


A

Physics & Space Science

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