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Two copper wires, one with twice the diameter of the other, have the same current
flowing through them. If the thinner wire has a drift velocity v1, and the thicker wire
has a drift velocity v2, how do the drift velocities compare?
O v1 = V2
2 v1 = V2
O4 v1 = V2
O V1 = 4 v2
V1 = 2 v2
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