The current in a wire is directed along the y axis in a uniform magnetic field that is directed along the negative x axis. The force on the wire is along the
A) z axis.
B) -z axis.
C) +x axis.
D) Hold on. There is no force on the wire.

Question

Quizplus · Accepted Answer

The direction of the force on a current-carrying wire in a magnetic field can be determined using the right-hand rule. Point your fingers in the direction of the current (y-axis), and curl them towards the direction of the magnetic field (negative x-axis). Your thumb will point in the direction of the force, which is the positive z-axis.

The Current in a Wire Is Directed Along the Y