If an electron is released at the equator and falls toward the Earth under the influence of gravity,the magnetic force on the electron will be toward the:
A)south.
B)east.
C)west.
D)north.

Question

Quizplus · Accepted Answer

The magnetic force on a moving charge is given by the right-hand rule. At the equator, the Earth's magnetic field points north. An electron falling downward (toward the Earth) has a velocity vector pointing down. Using the right-hand rule for a negative charge, the force is directed west.

If an Electron Is Released at the Equator and Falls