Question: Two parallel long straight wires are suspended by strings of length L = 1.2 m. Each wire has mass per unit length 0.050 kg/m. When

Two parallel long straight wires are suspended by strings of length L = 1.2 m. Each wire has mass per unit length 0.050 kg/m. When the wires each carry 50.0 A of current, the wires swing apart.

(a) How far apart are the wires in equilibrium? (Assume that this distance is small compared with L.)
(b) Are the wires carrying current in the same or opposite directions?

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Use Newtons second law and Eqs 1912a and 1914 Let r be the distance between the wires ... View full answer

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