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The wire in the drawing carries a current of 17 A. Suppose that a second long,...

The wire in the drawing carries a current of 17 A. Suppose that a second long, straight wire is placed right next to this wire. The current in the second wire is 22 A. Use Ampere's law to find the magnitude of the magnetic field at a distance of r = 0.80 m from the wires when the currents are (a) in the same direction and (b) in opposite directions.

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