Question 1: What are the units of magnetic field?
Answer: Tesla (T)
Question 2: A proton moves due East. It passes through a region of uniform magnetic field, which points North. Which way is the magnetic field on the proton?
Answer: Up.
Question 3: An electron sits motionless in a uniform magnetic field, which points North. Which way is the magnetic field on the electron?
Answer: There is no magnetic force on the electron, because it isn't moving through the field.
Copyright © Michael Richmond. This work is licensed under a Creative Commons License.