Consider each wire to be in the Earth's magnetic field.
From Fleming's left-hand rule, the thumb, the forefinger, and the central fingers are put perpendicular to each other.
Align the forefinger along the magnetic field, B, and the central finger along the direction of the current.
Two parallel wires carry a current in the same direction. There is ___________ between the wires.
A. a repulsive force
B. no force
C. an attractive force
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