For a single point charge moving with velocity vector

PHYSICS · Single correct · AP · Physics 2: Algebra-based · Magnetism and Electromagnetism · Magnetism and Electromagnetism

Problem

\vec v

, which of the following best describes the orientation of the magnetic field

\vec B

at a point whose position vector from the charge is

\vec r

? (a) Parallel to

\vec r

(b) Perpendicular to both

\vec v

and

\vec r

\vec v

(d) Perpendicular to

\vec v

but lying in the plane formed by

\vec v

and

\vec r