APFIVE Zero Magnetic Force from a Current-Carrying Wire
A charged particle moves in a region with a magnetic field produced by a long, straight, current-carrying wire. Under which condition will the particle experience zero magnetic force?
A
When moving in circular paths around the wire
B
When moving perpendicular to the wire
C
Only when the particle is stationary
D
When moving parallel to or directly toward/away from the wire
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