Multiple Choice
Two current-carrying wires produce a repulsive force of magnitude F0 when the wires are separated by a distance of r0. If the current is doubled in each wire while the distance between the two wires is changed to 2r0, a force results with a magnitude of
A) (1/2) F0.
B) F0.
C) 2F0.
D) 4F0.
Correct Answer:

Verified
Correct Answer:
Verified
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