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Two Long Parallel Wires Carry Currents of 5

Question 35

Multiple Choice

Two long parallel wires carry currents of 5.0 A and 8.0 A in the opposite direction. The wires are separated by 0.30 m. Find the magnetic force per unit length between the two wires.


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

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