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Problem 27.2: Identify field-line diagram

Please wait for the animation to completely load.

The animation shows four wires carrying current (each wire carries current either into or out of the screen). Drag the compass around to map out the magnetic field in the left-hand panel. Restart.

Which of the three configurations (in the right-hand panel) shows the correct field lines for the original animation? Click inside the configuration (in the right-hand panel) to draw magnetic field lines.

Problem authored by Anne J. Cox.

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