Two Parallel Conductors Each of 0

question 74

Multiple Choice

Two parallel conductors each of 0.50 m length,separated by 5.0 x 10^-3 m and carrying 3.0 A in opposite directions,will experience what type and magnitude of mutual force? (magnetic permeability in empty space µ₀ = 4p x 10^-7 TF*m/A)

• A)attractive,0.06 x 10^-4 N
• B)repulsive,0.60 x 10^-4 N
• C)attractive,1.8 x 10^-4 N
• D)repulsive,1.8 x 10^-4 N