APFIVE Maximum Magnetic Field From a Moving Charge
A particle with charge $q$ moves along the $x$-axis with constant velocity $v$. At time $t = 0$, the particle is at the origin. At what time will a stationary observer at position $(0, d, 0)$ measure the maximum magnetic field strength produced by this particle?
A
When the particle is at position $(0, d, 0)$
B
When the particle is at position $(d, 0, 0)$
C
When the particle is at position $(0, 0, 0)$
D
When the particle is at position $(d, d, 0)$
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