Two long parallel wires are placed side-by-side on a horizontal table. If the wires carry current in the same direction,
A) both wires are lifted slightly.
B) the wires pull toward each other.
C) the wires push away from each other.
D) one wire is lifted slightly while the other wire is forced downward against the table's surface.

Question

Quizplus · Accepted Answer

When two parallel wires carry current in the same direction, they experience a magnetic force that pulls them toward each other due to the magnetic fields they generate interacting with each other. This is a direct consequence of Ampère's force law.

Two Long Parallel Wires Are Placed Side-By-Side on a Horizontal