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AP Physics C: E&M
12.3 Magnetic Fields of Current-Carrying Wires and the Biot-Savart Law
BeginnerMCQMathematicalConceptual14.1k
Four current-carrying wires positioned at the corners of a square.
Four current-carrying wires positioned at the corners of a square.
Four long, parallel wires are perpendicular to the page and situated at the corners of a square, as shown in the figure. The two wires on the left each carry a steady current \(I\) directed out of the page, and the two wires on the right each carry a steady current \(I\) directed into the page. Which of the following best describes the direction of the net magnetic field at the center of the square?

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