Imagine that this classroom contains a constant magnetic field that points from the front to the back. In front of you a negative charge is slowly moving horizontally to your left. As you watch, the magnetic force on the charge
A. deflects the charge away from you.
B. deflects the charge into a clockwise directed vertical circle.
C. has no effect on the charge.
D. deflects the charge into a counterclockwise vertical circle.
E. deflects the charge toward you.
Answer: D
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