An electron, moving south, enters a magnetic field of certain strength. Because of this field the electron curves upward. What is the direction of the magnetic field?
A) downward
B) towards the east
C) upward
D) towards the west
E) towards the north

Question

Quizplus · Accepted Answer

According to the right-hand rule for the force on a moving charge in a magnetic field, if the electron is moving south and curves upward, the magnetic field must be directed towards the west.

An Electron, Moving South, Enters a Magnetic Field of Certain