Two long parallel wires carry currents of 20 a and 50 a, Ask an Expert

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Two long parallel wires carry currents of 20 A and 5.0 A inopposite directions. The wires are separated by 0.20 m.

A. What is the magnetic field midway between the two wires?
B. At what point between the two wires are the contributions fromthe two wires the same?

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