Two Long,parallel Wires Carry Currents of Different Magnitudes

question 107

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 magnetic force that each wire exerts on the other?

• 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 two.

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