Two power lines run parallel for a distance of 254 m and are separated by a distance of 40.0 cm. If the current in each of the two lines is 140 A and if they run in opposite directions, determine the magnitude and direction of the force each wire exerts on the other.
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= Permeability at free space
= Current 
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Two power lines run parallel for a distance of 254 m and are separated by a distance of 40.0 cm. If...
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