A repulsive force is produced between two parallel wires. The relative directions of the currents in the wires
A) are in the same direction.
B) are in the opposite direction.
C) cannot be determined from the information given.
D) depend on the charge carriers in the wires.

Question

Quizplus · Accepted Answer

A repulsive force between two parallel wires indicates that the currents in the wires are flowing in opposite directions. According to Ampère's law, parallel currents attract when they flow in the same direction and repel when they flow in opposite directions.

A Repulsive Force Is Produced Between Two Parallel Wires