Which one of the following expressions gives the magnitude of the magnetic force…

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

Problem

Which one of the following expressions gives the magnitude of the magnetic force acting on a charge

q

moving with speed

v

at an angle

\theta

to a uniform magnetic field of magnitude

B

? (a)

q v B

(b)

q v B \cos \theta

(c)

q v B \sin \theta

(d)

q v B \tan \theta