Magnetic Field of a Long Wire: A wire lying in the plane of the page carries a current toward the bottom of the page, as shown in the figure. What is the direction of the magnetic force it produces on an electron that is moving to the left directly toward the wire, as shown?
A. straight into the page
B. straight out of the page
C. directly toward the top of the page
D. directly toward the bottom of the page
E. directly to the left away from the wire
Answer: D
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