The magnetic forces exerted on each other by two parallel wires with unequal currents flowing in opposite directions is
A) repulsive and unequal in magnitude.
B) attractive and unequal in magnitude.
C) repulsive and equal in magnitude.
D) attractive and equal in magnitude.

Question

Quizplus · Accepted Answer

According to Ampère's force law, two parallel wires carrying currents in opposite directions repel each other with equal magnitude of force, due to Newton's third law of motion.

The Magnetic Forces Exerted on Each Other by Two Parallel