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Two Long, Parallel Wires Carry Currents of Different Magnitudes

Question 17

Multiple Choice

Two long, parallel wires carry currents of different magnitudes. If the current in one of the wires is doubled and the current in the other wire is halved, what happens to the magnitude of the force between these two wires?


A) It is doubled.
B) It stays the same.
C) It is tripled.
D) It is quadrupled.
E) It is reduced by a factor of 2.

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