Two parallel conductors each of 0.34 m length, separated by 6.4 × 10^?3 m and carrying 4.8 A in opposite directions, will experience what type and magnitude of mutual force? (magnetic permeability in empty space µ0 = 4? × 10^?7 T?m/A)
a. attractive, 2.1E–3 N
b. repulsive, 2.1E–3 N
c. attractive, 2.4E–4 N
d. repulsive, 2.4E–4 N
e. zero
d
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