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AP Physics 2
12.3 Magnetism and Current-Carrying Wires
BeginnerMCQConceptual20.8k
Two long, straight, vertical parallel line segments are drawn on a clean white background, representing wires. The left segment is labeled Wire 1, and the right segment is labeled Wire 2. Adjacent to Wire 1, a vertical arrow labeled \(I_1\) points toward the top of the page. Adjacent to Wire 2, a vertical arrow labeled \(I_2\) points toward the bottom of the page. No other lines, arrows, field symbols, or text labels appear.
Two parallel wires carrying currents in opposite directions.
Two long, straight parallel wires are fixed in place on a flat surface. Wire 1 carries a current \(I_1\) directed toward the top of the page. Wire 2 is located to the right of Wire 1 and carries a current \(I_2\) directed toward the bottom of the page. Which of the following correctly describes the direction of the magnetic force exerted on Wire 2 by Wire 1 and provides the correct physical justification?

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