Homework Help: Physics 2

Posted by Kellsey on Wednesday, March 2, 2011 at 9:34pm.

The wire in the figure below carries a current of 13 A. Suppose that a second long, straight wire is placed right next to this wire. The current in the second wire is 26 A. Use Ampère's law to find the magnitude of the magnetic field at a distance of r = 0.72 m from the wires when the currents are in the same direction and in opposite directions.

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