Physics 1B
Thermal Physics & Electromagnetism
H. E. Smith Fall 2002
Physics 1B - Reading Quiz #7
Magnetic
fields
fundamentally are caused by
A. moving charges.
B. charges moving relativistically (v --> c) only.
C. stationary dipoles.
D. magnetic monopoles.
E. magic.
A charged particle moving in a magnetic field will feel no force iff
A. It is moving slowly enough.
B. It is moving fast enough.
C. It is moving parallel to the field lines.
D. It is moving perpendicular to the field lines.
E. It is moving in a circle.