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AP Physics 2
12.3 Magnetism and Current-Carrying Wires
BeginnerMCQMathematical15.4k
A square wire loop is centered in the plane of the page. The four sides are labeled: 1 on the top horizontal segment, 2 on the right vertical segment, 3 on the bottom horizontal segment, and 4 on the left vertical segment. Clockwise current arrows labeled I are drawn along each side: pointing right on segment 1, down on segment 2, left on segment 3, and up on segment 4. A set of four parallel, equally spaced horizontal arrows pointing to the right spans across the diagram background, labeled \vec{B}. No other labels, lines, text, or axes appear.
A square loop carrying current I in a uniform magnetic field B.
A square loop of wire with side length \(L\) lies flat in the plane of the page and carries a constant clockwise current \(I\). A uniform magnetic field \(\vec{B}\) is directed to the right, parallel to the plane of the loop. Let \(F_1\), \(F_2\), \(F_3\), and \(F_4\) represent the magnitudes of the magnetic forces exerted on the top, right, bottom, and left sides of the loop, respectively. Which of the following correctly compares these force magnitudes?

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