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AP Physics 2
12.2 Magnetism and Moving Charges
BeginnerMCQConceptual18.7k
A horizontal line with an arrow pointing to the right represents an electron with velocity vector v entering a rectangular region filled with a uniform array of 'x' symbols labeled B, representing a magnetic field directed into the page. The electron is located at the left boundary of the field region. No other labels, lines, text, or axes appear.
Electron entering a uniform magnetic field.
An electron traveling horizontally to the right enters a region of uniform magnetic field directed perpendicularly into the page, as shown in the diagram. Which of the following correctly identifies the direction of the initial magnetic force on the electron and the shape of its path while inside the field?

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