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AP Physics C: E&M
12.2 Magnetism and Moving Charges
IntermediateMCQMathematicalConceptual18.6k
Three current loops of identical area in a uniform magnetic field.
Three current loops of identical area in a uniform magnetic field.
Three identical flat wire loops, each of area \(A\) and carrying a steady current \(I\), are placed in a region containing a uniform magnetic field \(\vec{B} = B_0 \hat{i}\). Loop 1 lies in the \(yz\)-plane, Loop 2 lies in the \(xy\)-plane, and Loop 3 lies in a plane whose unit normal vector is oriented at an angle of \(45^\circ\) relative to the \(+x\)-axis. Which of the following correctly compares the magnitude of the net magnetic force \(\vec{F}_{\text{net}}\) and the magnitude of the net magnetic torque \(\tau_{\text{net}}\) exerted on each loop?

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