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AP Physics 2
12.3 Magnetism and Current-Carrying Wires
BeginnerMCQMathematicalProportional Analysis15.2k
Wire 1 and Wire 2 placed in a uniform magnetic field.
Wire 1 and Wire 2 placed in a uniform magnetic field.
A straight wire of length \(L\) carrying current \(I\) is placed in a uniform magnetic field \(\vec{B}\) such that it is perpendicular to the field lines, experiencing a magnetic force of magnitude \(F_1\). A second straight wire of length \(2L\) carrying the same current \(I\) is placed in the same magnetic field at an angle of \(30^\circ\) relative to the field lines, experiencing a magnetic force of magnitude \(F_2\). What is the ratio \(F_2 / F_1\)?

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