Consider two parallel wires, length L=7.0 m, separated by 0.030m. One wire (A) carries a current of 0.40 A, the other, B, carries a current of 0.60 A. Find the force (magnitude and direction) by current A on current B if both currents flow in the same direction. Find the force (magnitude and direction) by current A on current B if the currents flow in opposite directions.

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Magnetic Force

A magnetic force arises when a charged particle or a current-carrying conductor is placed in a magnetic field. It is created because of the movement of the charged particles.