Introduction to SAT II Physics

other. Interestingly, the fact that each wire exerts an opposite force on the other is further
evidence of Newton’s Third Law.

Key Formulas

Magnetic

Force on a

Moving

Charge

Magnitude of

the Magnetic

Force on a

Moving

Charge

Radius of the

Circle

Described by

a Charged

Particle

Moving

Perpendicula

r to a

Magnetic

Field

Magnetic

Force on a

Current

Magnetic

Field Created

by a Current

Practice Questions