PHYSICS · Single correct · AP · Physics 2: Algebra-based · Magnetism and Electromagnetism · Magnetism and Electromagnetism
Problem
An electron moves horizontally towards the east. A uniform magnetic field is directed vertically upward at the same place. For the electron to continue in a straight path without deviation, the uniform electric field applied should be directed
(a) from south to north
(b) vertically downward
(c) from north to south
(d) from east to west