Question

Why aren't the right-hand rules used to figure out the force exerted on particles traveling parallel to a magnetic field?

Answer 1

A magnetic field does not exert a force on particles traveling parallel to the magnetic field.

Step-by-step explanation:

This is the PLATO answer.

Answer 2

The answer would be the first option. This occurs because of the presence of the protons. The positive charge of protons and the negative charge of electrons set the balance of each other and usually the net charge turn out to be zero.