Lorentz Force and Constant Velocity
An electron with charge -e travels at a constant velocity v through a region containing both an electric field E and a magnetic field B. Which of the following relationships between the fields must be true for the electron’s velocity to remain constant?
A
E = v × B
B
E = B/v
C
E = -v × B
D
E·B = 0
Question Leaderboard
Not enough data yet to show leaderboard.