In a long straight wire, what current is required to exert a 1.0?N force on a...
In a long straight wire, what current is required to exert a 1.0?N force on a 1.0?C charge moving at 1.5×106m/s parallel to the wire at a distance of 0.35m from the wire?
A. 0.6A
B. 1.2A
C. 1.7A
D. 2.4A
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