A positively charged particle travels through perpendicular uniform electric and…
PHYSICS · Single correct · AP · Physics C: Electricity and Magnetism · Magnetic Fields and Electromagnetism · Magnetic Fields and Electromagnetism
Problem
A positively charged particle travels through perpendicular uniform electric and magnetic fields, moving such that its velocity is perpendicular to both fields. Which of the following relationships between the particle’s speed v and the field magnitudes E and B must be satisfied for the particle to experience zero net force?
(a) v=B2E
(b) v=BE
(c) v=c
(d) v=0