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AP Physics 2
12.4 Electromagnetic Induction and Faraday’s Law
12.3 Magnetism and Current-Carrying Wires
IntermediateMCQConceptual20k
A rectangular wire loop moving to the right toward a uniform magnetic field.
A rectangular wire loop moving to the right toward a uniform magnetic field.
A rigid rectangular wire loop of width \(w\) and height \(h\) moves in the plane of the page at a constant horizontal velocity \(v\). The loop enters, fully passes through, and then exits a region of width \(4w\) containing a uniform magnetic field \(\vec{B}\) directed perpendicularly into the page. Which of the following correctly pairs the direction of the induced current as the loop enters the field with the direction of the net magnetic force on the loop as it exits the field?

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