Maximum Magnetic Field From a Moving Charge
A particle of charge $q$ travels along the $x$-axis with constant velocity $v$, passing through the origin at $t=0$. For a stationary observer at point $(0, d, 0)$, the magnitude of the magnetic field is greatest when the particle is at which position?
A
When the particle is at position $(0, d, 0)$
B
When the particle is at position $(d, d, 0)$
C
When the particle is at position $(0, 0, 0)$
D
When the particle is at position $(d, 0, 0)$
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