AP Physics 2
12.3 Magnetism and Current-Carrying Wires
12.1 Magnetic Fields

In Scenario 1, the side of the loop closest to the long wire is at a distance \(2d\) and the side furthest from the wire is at a distance \(4d\). The magnitude of the net magnetic force on the loop is \(F_1\).
In Scenario 2, the current in the long wire is changed to \(3I\), and the loop is moved so that its closest side is at a distance \(d\) and its furthest side is at a distance \(3d\). The magnitude of the net magnetic force on the loop is \(F_2\).
What is the ratio \(\dfrac{F_2}{F_1}\)?
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