An electron,moving west,enters a magnetic field.Because of this field the electron curves upward.We may conclude that the magnetic field must have a component
A)towards the north.
B)towards the south.
C)upward.
D)downward.
E)towards the west.

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 west and curves upward, the magnetic field must be directed towards the north.

An Electron,moving West,enters a Magnetic Field