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Physics
Physics
Problem
At what angle between a point charge’s velocity vector and the line connecting the charge to an observation point is the magnitude of the magnetic field at the observation point greatest? a)
45
∘
45^{\circ}
4
5
∘
b)
0
∘
0^{\circ}
0
∘
c)
90
∘
90^{\circ}
9
0
∘
d)
180
∘
180^{\circ}
18
0
∘
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